The Joint Comprehensive Plan of Action (JCPOA; (, BARJAM)), also known as the Iran nuclear deal or Iran deal, is an
agreement to limit the
Iranian nuclear program
The nuclear program of Iran is one of the most scrutinized nuclear programs in the world. The military capabilities of the program are possible through its mass enrichment activities in facilities such as Natanz and Arak. In June 2025, t ...
in return for sanctions relief and other provisions. The agreement was finalized in
Vienna
Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...
on 14 July 2015, between Iran and the
P5+1 (the five
permanent members of the United Nations S.C.—China, France, Russia, the U.K., U.S.—plus Germany) together with the
European Union
The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...
.
Formal negotiations began with the adoption of the
Joint Plan of Action, an interim agreement signed between Iran and the P5+1 countries in November 2013. Iran and the P5+1 countries engaged in negotiations for the following 20 months and, in April 2015, agreed on an
Iran nuclear deal framework, which later led to JCPOA, along with a Roadmap Agreement between Iran and the
International Atomic Energy Agency
The International Atomic Energy Agency (IAEA) is an intergovernmental organization that seeks to promote the peaceful use of nuclear technology, nuclear energy and to inhibit its use for any military purpose, including nuclear weapons. It was ...
(IAEA).
Negotiations centered around sanctions relief and restrictions on Iran's nuclear facilities, including the
Arak IR-40 reactor,
Bushehr Nuclear Power Plant, Gachin Uranium Mine,
Fordow Fuel Enrichment Plant,
Isfahan Uranium Conversion Plant,
Natanz Uranium Enrichment Plant, and the
Parchin Military Research complex.
The agreement took effect on 20 January 2016.
[
] It was criticized and opposed in the
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
,
Israel
Israel, officially the State of Israel, is a country in West Asia. It Borders of Israel, shares borders with Lebanon to the north, Syria to the north-east, Jordan to the east, Egypt to the south-west, and the Mediterranean Sea to the west. Isr ...
,
Saudi Arabia
Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in West Asia. Located in the centre of the Middle East, it covers the bulk of the Arabian Peninsula and has a land area of about , making it the List of Asian countries ...
, and by
Iranian principlists.
The
United States withdrew from the pact in 2018, imposing sanctions under its
maximum pressure campaign. The sanctions applied to all countries and companies doing business with Iran and cut it off from the international financial system, rendering the nuclear deal's economic provisions null.
New talks
Timeline
The agreement included a series of provisions describing actions that Iran would undertake for specified periods of time.
For 13 years, Iran agreed to eliminate its stockpile of medium-
enriched uranium, cut its stockpile of low-enriched uranium by 98%, and reduce by about two-thirds the number of its
gas centrifuges.
For 15 years, Iran agreed to enrich uranium only up to 3.67% and not to build
heavy-water facilities.
For 10 years, uranium enrichment would be limited to a single facility using first-generation centrifuges. Other facilities would be converted to avoid
proliferation risks.
IAEA would have regular access to all Iranian nuclear facilities to monitor compliance.
In return for verifiably abiding by those provisions, Iran would receive relief from U.S.,
European Union
The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...
, and
United Nations S.C. nuclear-related sanctions.
The JCPOA formed part of U.N.
Security Council Resolution 2231. The Security Council (S.C.) enacted it on 20 July 2015 and adopted it on 18 October.
It took effect on 16 January 2016 (Adoption Day). JCPOA was to remain in effect for eight years or until receipt by the S.C. of an IAEA report stating that IAEA had reached the Broader Conclusion that all nuclear material in Iran remained in peaceful activities, and terminated ten years from Adoption Day.
On 12 October 2017,
U.S. President Donald Trump
Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party (United States), Republican Party, he served as the 45 ...
announced that the U.S. would not make the certification provided for under
U.S. domestic law, but stopped short of terminating the deal.
In 2018, IAEA inspectors spent an aggregate of 3,000 calendar days in Iran, installing seals and collecting surveillance camera photos, measurement data, and documents for further analysis. In March 2018, IAEA Director
Yukiya Amano said that the organization had verified that Iran was implementing its nuclear-related commitments. On April 30, the U.S. and Israel said that Iran had not disclosed a past
covert nuclear weapons program to the IAEA, as required.
On 8 May 2018, Trump announced
U.S. withdrawal from JCPOA.
On 7 August 2018, the E.U. enacted a
blocking statute to defeat U.S. sanctions on countries trading with Iran.
In November 2018, U.S. sanctions came back into effect, intended to force Iran to alter its policies, including its support for militant groups in the region and its development of
ballistic missiles.
In May 2019, IAEA certified that Iran was abiding by the main terms, though questions were raised about how many advanced centrifuges Iran was allowed to have, which was only loosely specified in the deal.
On 1 July 2019, Iran announced that it had breached the limit set on its stockpile of low-enriched uranium, which the IAEA confirmed.
On 5 January 2020, Iran declared that it would no longer abide by the deal's limitations but would continue to coordinate with IAEA.
Background
Nuclear technology
A fission-based "atomic"
nuclear weapon
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission or atomic bomb) or a combination of fission and fusion reactions (thermonuclear weapon), producing a nuclear exp ...
uses a
fissile material to cause a
nuclear chain reaction. The most commonly used materials are
uranium 235 () and
plutonium 239 (). Both
uranium 233 () and
reactor-grade plutonium have also been used.
The amount of uranium or plutonium needed depends on the sophistication of the design, with a simple design requiring approximately 15 kg of uranium or 6 kg of plutonium and a sophisticated design requiring as little as 9 kg of uranium or 2 kg of plutonium. Plutonium is almost nonexistent in nature, and natural uranium is about 99.3%
uranium 238 () and only 0.7% .
To make a weapon, either uranium must be
enriched or plutonium must be produced. Uranium enrichment is required for
nuclear power
Nuclear power is the use of nuclear reactions to produce electricity. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced by ...
, although not to the same purity. For this reason, uranium enrichment is a
dual-use technology
In politics, diplomacy and export control, dual-use items refer to goods, software and technology that can be used for both civilian and military applications. required for both civilian and military purposes.
Key strategies to prevent
proliferation of nuclear arms include limiting the number of operating uranium enrichment plants and controlling the export of
nuclear technology
Nuclear technology is technology that involves the nuclear reactions of atomic nucleus, atomic nuclei. Among the notable nuclear technologies are nuclear reactors, nuclear medicine and nuclear weapons. It is also used, among other things, in s ...
and fissile material.
Iranian nuclear activity, 1970–2006
Iranian development of
nuclear technology
Nuclear technology is technology that involves the nuclear reactions of atomic nucleus, atomic nuclei. Among the notable nuclear technologies are nuclear reactors, nuclear medicine and nuclear weapons. It is also used, among other things, in s ...
began in the 1970s, when the U.S.
Atoms for Peace program began providing assistance. Iran ratified the
Treaty on the Non-Proliferation of Nuclear Weapons
The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT, is an international treaty whose objective is to prevent the spread of nuclear weapons and weapons technology, to promote cooperatio ...
(NPT) in 1970.
After the 1979
Iranian Revolution
The Iranian Revolution (, ), also known as the 1979 Revolution, or the Islamic Revolution of 1979 (, ) was a series of events that culminated in the overthrow of the Pahlavi dynasty in 1979. The revolution led to the replacement of the Impe ...
, Iran's nuclear program fell into disarray as "much of Iran's nuclear talent fled the country in the wake of the Revolution". The new leader, Ayatollah
Ruhollah Khomeini
Ruhollah Musavi Khomeini (17 May 1900 or 24 September 19023 June 1989) was an Iranian revolutionary, politician, political theorist, and religious leader. He was the founder of the Islamic Republic of Iran and the main leader of the Iranian ...
, initially opposed nuclear technology.
In the late 1980s Iran reinstated its nuclear program, with assistance from
China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
(which entered into an
agreement with Iran in 1990),
Pakistan
Pakistan, officially the Islamic Republic of Pakistan, is a country in South Asia. It is the List of countries and dependencies by population, fifth-most populous country, with a population of over 241.5 million, having the Islam by country# ...
(which did the same in 1992), and
Russia
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
(which did the same in 1992 and 1995), and from the
A.Q. Khan network. Iran began pursuing nuclear capability, including uranium mining and experimenting with uranium enrichment.
In August 2002 the Paris-based Iranian dissident group
National Council of Resistance of Iran publicly revealed the existence of two undeclared nuclear facilities, the
Arak heavy-water production facility and the
Natanz enrichment facility.
In February 2003, Iranian President
Mohammad Khatami
Mohammad Khatami (born 14 October 1943) is an Iranian politician and Shia cleric who served as the fifth president of Iran from 3 August 1997 to 3 August 2005. He also served as Iran's Minister of Culture from 1982 to 1992. Later, he was critic ...
acknowledged the existence of the facilities and acknowledged that Iran had undertaken "small-scale enrichment experiments" to produce low-enriched uranium for power plants.
IAEA inspectors visited Natanz.
In May 2003 Iran allowed IAEA inspectors to visit the Kalaye Electric Company, but not to take samples.
In June 2003, an IAEA report concluded that Iran had failed to meet its obligations under the safeguards agreement.
Iran, faced with the prospect of a U.N.
S.C. referral, entered negotiations with France, Germany, and the United Kingdom (the E.U. 3).
The U.S. took no part.
In October 2003, Iran and the E.U. 3 agreed to the Tehran Declaration. Iran agreed to full IAEA cooperation, to sign the Additional Protocol, and to temporarily suspend uranium enrichment.
In September and October 2003 the IAEA inspected several facilities.
This was followed by the Paris Agreement in November 2004, in which Iran agreed to temporarily suspend enrichment and conversion activities, including those related to centrifuges, and committed to working with the EU-3 to find a diplomatic solution".
In August 2005, Iranian
President Mahmoud Ahmadinejad
Mahmoud Ahmadinejad (born Mahmoud Sabbaghian on 28 October 1956) is an Iranian Iranian principlists, principlist and Iranian nationalism, nationalist politician who served as the sixth president of Iran from 2005 to 2013. He is currently a mem ...
accused the Iranian negotiators of treason.
Over the following two months, the E.U. 3 agreement fell apart as talks over the Long Term Agreement broke down; the Iranian government "felt that the proposal was heavy on demands, light on incentives, did not incorporate Iran's proposals, and violated the Paris Agreement".
Iran notified IAEA that it would resume enrichment at
Esfahan.
In February 2006, Iran ended its implementation of the Additional Protocol and resumed enrichment at Natanz, prompting IAEA to refer Iran to the S.C.
In April 2006 Ahmadinejad claimed that Iran had explored nuclear technology for power generation, not weapons.
In June 2006 the E.U. 3 joined China, Russia, and the U.S., to form the P5+1.
That July, the S.C. passed its first
resolution (nr. 1696), demanding Iran stop uranium enrichment and processing.
S.C. resolution
1737 was adopted in December; followed by others.
The legal authority for IAEA referral and the S.C. resolutions derived from the IAEA Statute and the
United Nations Charter
The Charter of the United Nations is the foundational treaty of the United Nations (UN). It establishes the purposes, governing structure, and overall framework of the United Nations System, UN system, including its United Nations System#Six ...
.
The resolutions demanded that Iran cease enrichment activities, and imposed sanctions, including bans on the transfer of nuclear and missile technology to the country and freezes on the assets of certain Iranian individuals and entities.
In July 2006, Iran opened the Arak heavy water production plant, which led to another S.C. resolution.
S.C. resolutions, 2007–2013
Four more S.C. resolutions followed:
1747 (March 2007),
1803
Events January–March
* January 1 – The first edition of Alexandre Balthazar Laurent Grimod de La Reynière's ''Almanach des gourmands'', the first guide to restaurant cooking, is published in Paris.
* January 4 – William Symingt ...
(March 2008),
1835 (September 2008), and
1929 (June 2010).
In Resolution 1803 and elsewhere the S.C. acknowledged Iran's rights under Article IV of the NPT, which provides the "inalienable right... to develop research, production and use of nuclear energy for peaceful purposes".
[Paul K. Kerry]
"Iran's Nuclear Program: Tehran's Compliance with International Obligations"
, Congressional Research Service (25 June 2015).
In 2007, IAEA director-general
Mohamed ElBaradei said that military action against Iran "would be catastrophic, counterproductive" and called for negotiations.
[Daniel Dombey]
Transcript of the Director General's Interview on Iran and DPRK
''Financial Times'' (19 February 2007). ElBaradei specifically proposed a "double, simultaneous suspension, a time out" as a confidence-building measure, under which sanctions and enrichment would be suspended.
A November 2007 U.S.
National Intelligence Estimate assessed that Iran had halted its nuclear weapons program in 2003; that estimate and
U.S. Intelligence Community statements assessed that Iran was maintaining its option to develop nuclear weapons".
[Kenneth Katzman & Paul K. Kerr]
"Report: Iran Nuclear Agreement"
Congressional Research Service
The Congressional Research Service (CRS) is a public policy research institute of the United States Congress. Operating within the Library of Congress, it works primarily and directly for members of Congress and their committees and staff on a ...
(30 July 2015).
In September 2009 U.S. President
Barack Obama
Barack Hussein Obama II (born August 4, 1961) is an American politician who was the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, he was the first African American president in American history. O ...
revealed the existence of an underground enrichment facility in Fordow, near
Qom. Israel threatened military action.
Joint Plan of Action (2013)
In March 2013 the U.S. and Iran began talks in Oman, led by
William Burns and
Jake Sullivan (U.S.) and Ali Asghar Khaji (Iran).
In June 2013
Hassan Rouhani
Hassan Rouhani (; born Hassan Fereydoun, 12 November 1948) is an Iranian peoples, Iranian politician who served as the seventh president of Iran from 2013 to 2021. He is also a sharia lawyer ("Wakil"), academic, former diplomat and Islamic cl ...
was elected president of Iran.
In a 2006 negotiation with Europe, Rouhani said that Iran had used the negotiations to dupe the Europeans, saying that during the negotiations, Iran had mastered the conversion of uranium
yellowcake at Isfahan. In August 2013, three days after his inauguration, Rouhani called for negotiations with the P5+1.
["Timeline of Nuclear Diplomacy With Iran"](_blank)
, Arms Control Association (July 2015).
In September 2013 Obama and Rouhani spoke by telephone, the first high-level contact between U.S. and Iranian leaders since 1979, and Secretary of State
John Kerry
John Forbes Kerry (born December 11, 1943) is an American attorney, politician, and diplomat who served as the 68th United States secretary of state from 2013 to 2017 in the Presidency of Barack Obama#Administration, administration of Barac ...
met with Foreign Minister
Mohammad Javad Zarif.
Former officials alleged that, in order to advance the deal, the Obama administration shielded
Hezbollah from the
Central Intelligence Agency
The Central Intelligence Agency (CIA; ) is a civilian foreign intelligence service of the federal government of the United States tasked with advancing national security through collecting and analyzing intelligence from around the world and ...
and from the
Drug Enforcement Administration
The Drug Enforcement Administration (DEA) is a Federal law enforcement in the United States, United States federal law enforcement agency under the U.S. Department of Justice tasked with combating illicit Illegal drug trade, drug trafficking a ...
's
Project Cassandra investigation regarding drug smuggling. Attorney General
Jeff Sessions ordered an investigation.
On 24 November 2013, after several rounds of negotiations, the interim
Joint Plan of Action was signed between Iran and the P5+1. It consisted of a short-term program freeze in exchange for decreased economic sanctions.
The IAEA began inspections under this interim agreement.
The agreement was formally activated on 20 January 2014.
That day, an IAEA report stated that Iran was adhering to the terms of the interim agreement, including stopping enrichment of uranium to 20%, beginning to dilute half of the stockpile of 20% enriched uranium to 3.5%, and halting work on the Arak heavy-water reactor.
A major focus of the negotiations was limitations on the
Arak IR-40 heavy water
Heavy water (deuterium oxide, , ) is a form of water (molecule), water in which hydrogen atoms are all deuterium ( or D, also known as ''heavy hydrogen'') rather than the common hydrogen-1 isotope (, also called ''protium'') that makes up most o ...
reactor and production plant (which was under construction, but never became operational. Iran agreed in the Joint Plan of Action not to commission or fuel the reactor; the
Bushehr Nuclear Power Plant; the Gachin
uranium mine; the
Fordow Fuel Enrichment Plant; the
Isfahan
Isfahan or Esfahan ( ) is a city in the Central District (Isfahan County), Central District of Isfahan County, Isfahan province, Iran. It is the capital of the province, the county, and the district. It is located south of Tehran. The city ...
uranium-conversion plant; the
Natanz uranium enrichment plant; and the
Parchin military research and development complex.
In 2015, the U.S. enacted the Iran Nuclear Agreement Review Act of 2015. Under the Act, once a nuclear agreement was negotiated with Iran, Congress had 60 days in which to pass a resolution of approval, a resolution of disapproval, or do nothing.
[Jonathan Weisman & Julie Hirschfeld Davis]
"Republican Lawmakers Vow Fight to Derail Nuclear Deal"
, ''The New York Times'' (14 July 2005). The Act included time beyond the 60 days for the president to veto a resolution and for Congress to vote on whether to override the veto.
[Kevin Liptak]
"Now that he has a deal with Iran, Obama must face Congress"
, CNN (14 July 2015).
Provisions
The Joint Comprehensive Plan of Action (JCPOA) covered 109 pages, including five annexes.
[Michael R. Gordon & David E. Sanger]
, ''The New York Times'' (14 July 2015). The major provisions are:
Nuclear
Stocks
Over 15 years, Iran would reduce its stockpile of low-enriched uranium by 97%, from 10,000 kg to 300 kg,
and limit enrichment to 3.67%, sufficient for civilian
nuclear power
Nuclear power is the use of nuclear reactions to produce electricity. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced by ...
and research, but not for weaponry.
["Press Availability on Nuclear Deal With Iran"](_blank)
, U.S. Department of State (14 July 2015). This represented a "major decline" in Iran's nuclear activity. Iran had produced stockpiles near 20% (medium-enriched uranium).
Stocks in excess of 300 kg enriched up to 3.67% would be diluted to 0.7% or sold in return for uranium ore, while uranium enriched to between 5% and 20% was to be fabricated into fuel plates for the
Tehran Research Reactor or sold or diluted to 3.67%. P5+1 agreed to facilitate commercial contracts.
After 15 years, all limits on enrichment would be removed, including limits on the type and number of centrifuges, Iran's stocks of enriched uranium, and enrichment sites. According to Belfer, at this point Iran could "expand its nuclear program to create more practical overt and covert nuclear weapons options".
Centrifuges
Iran initially possessed
centrifuges sufficient for one nuclear weapon, but not for nuclear power. Over ten years, Iran would secure over two-thirds of its centrifuges in storage, reducing active units to 6,104 centrifuges, with only 5,060 allowed to enrich uranium.
Enrichment would be restricted to the Natanz plant. The centrifuges there were limited to IR-1 centrifuges, Iran's oldest and least efficient; Iran would warehouse its advanced IR-2M centrifuges during this period.
Non-operating centrifuges would be stored in Natanz and monitored by IAEA, but could be used to replace failed centrifuges.
Iran agreed to build no enrichment facilities for 15 years.
Research
Iran could continue
research and development
Research and development (R&D or R+D), known in some countries as OKB, experiment and design, is the set of innovative activities undertaken by corporations or governments in developing new services or products. R&D constitutes the first stage ...
work on enrichment only at the Natanz facility and had to respect specific limitations for eight years.
The intent was to maintain a one-year breakout interval.
Reactors
With cooperation from the "Working Group" (the P5+1 and possibly other countries), Iran was permitted to modernize the
Arak heavy water research reactor based on an agreed design. Arak was to be limited to 20
MWt to support allowed research and production, while minimizing plutonium production and avoiding
weapons-grade plutonium.
Spent fuel was to be sent out of the country.
All
heavy water
Heavy water (deuterium oxide, , ) is a form of water (molecule), water in which hydrogen atoms are all deuterium ( or D, also known as ''heavy hydrogen'') rather than the common hydrogen-1 isotope (, also called ''protium'') that makes up most o ...
beyond Iran's reactor needs was to be exportable. In exchange, Iran imported 130 tonnes of uranium ore in 2015 and in late 2016 was approved to import 130 tonnes in 2017. For 15 years Iran agreed not to research or engage in
spent fuel reprocessing, build additional heavy-water reactors, or accumulate heavy water.
Fordow would stop researching and enriching uranium for at least 15 years. The facility was to be converted into a nuclear physics and technology center. For 15 years Fordow would maintain no more than 1,044 IR-1 centrifuges in six cascades in one wing. Two of the six cascades would be transitioned for stable
radioisotope production for medical, agricultural, industrial, and scientific use. The other four would remain idle. Iran agreed to keep no
fissile material there.
An
Additional Protocol extended the monitoring and verification provisions for as long as Iran remained a party to the NPT.
[, archive-url=https://web.archive.org/web/20150722020946/http://armscontrolcenter.org/factsheet-iran-and-the-additional-protocol/ , archive-date=22 July 2015 ]
Inspections
A comprehensive inspections regime would monitor and confirm Iranian compliance.
The IAEA was to have multilayered
[Oren Dorell]
"High-tech scrutiny key to Iran nuclear deal"
, ''USA Today'' (16 July 2015). oversight "over Iran's entire nuclear supply chain, from uranium mills to its procurement of
nuclear-related technologies".
[Ishaan Tharoor]
"How the nuclear deal can keep Iran from 'cheating,' according to a former U.N. inspector"
, ''The Washington Post'' blogs (15 July 2015). For sites such as Fordow and Natanz, the IAEA was to have 24-hour access to nuclear facilities and to maintain continuous monitoring (including via surveillance equipment).
[Rebecca Kaplan]
"Obama says inspectors get access to 'any' site in Iran. Is it true?"
, CBS News (14 June 2015). The agreement authorized the IAEA to use sophisticated monitoring technology, such as
fiber-optic
An optical fiber, or optical fibre, is a flexible glass or plastic fiber that can transmit light from one end to the other. Such fibers find wide usage in fiber-optic communications, where they permit transmission over longer distances and at ...
equipment seals that could send the IAEA information; satellite imagery to detect covert sites; sensors to detect minute nuclear specimens; and tamper- and radiation-resistant cameras.
[William J. Broad]
"Iran Accord's Complexity Shows Impact of Bipartisan Letter"
, ''The New York Times'' (14 July 2015). Other tools included software to gather information and detect anomalies, and datasets on imports.
The number of inspectors tripled to 150.
Inspectors could request access, informing Iran of the basis of the request, to verify the absence of prohibited activities and nuclear materials.
The inspectors were to come only from countries with which Iran had diplomatic relations. Iran could either allow the inspection or propose alternatives that satisfied the IAEA's concerns.
If the inspectors were not satisfied, a 24-day process would ensue.
Iran and the IAEA were to have 14 days to reach agreement.
For the following week a majority of the commission could require Iran to take specific actions within three more days.
[Carol Morello & Karen DeYoung]
, ''The Washington Post'' (14 July 2015). This allowed the U.S. and its allies to insist on responses that Iran, Russia or China could not veto.
After three days of non-compliance, sanctions would be automatically reimposed.
Breakout
These provisions were intended to extend the "breakout time"—the interval during which Iran could prepare enough material for a single nuclear weapon—from two to three months to one year.
[Obama: Iran Will Face Longer 'Breakout Time,' Though Not Indefinitely](_blank)
''All Things Considered'', NPR (11 August 2015). See als
"Transcript: President Obama's Full NPR Interview On Iran Nuclear Deal"
, NPR (7 April 2015). Harvard University
Harvard University is a Private university, private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636 and named for its first benefactor, the History of the Puritans in North America, Puritan clergyma ...
's
Belfer Center for Science and International Affairs and
Center for Arms Control and Non-Proliferation["Factsheet: Longevity of Major Iran Nuclear Agreement Provisions"](_blank)
, Center for Arms Control and Proliferation (14 July 2015). supported these estimates. By contrast, Alan J. Kuperman, coordinator of the Nuclear Proliferation Prevention Project at
University of Texas at Austin
The University of Texas at Austin (UT Austin, UT, or Texas) is a public university, public research university in Austin, Texas, United States. Founded in 1883, it is the flagship institution of the University of Texas System. With 53,082 stud ...
, disagreed, arguing that the breakout time would be only three months.
After ten years or more, the breakout time would gradually decrease.
By the 15th year, U.S. officials said the breakout time would return to the
''status quo ante'' of a few months.
The Belfer Center report stated: "Some contributors to this report believe that breakout time by year 15 could be comparable to what it is today—a few months—while others believe it could be reduced to a few weeks."
Exemptions
Iran was granted exemptions prior to 16 January 2016. Their reported purpose was to enable sanctions relief and other benefits to start by that date. The exemptions allowed Iran to:
* exceed the 300 kg of 3.5% LEU limit;
* exceed the zero kg of 20% LEU limit;
* keep operating 19 "hot cells" that exceed the size limit;
* maintain control of 50 tonnes of heavy water that exceeded the 130-tonne limit by storing the excess at an Iran-controlled facility in Oman.
Sanctions
Iran had to submit a full report on its nuclear history before it could receive any sanctions relief.
At the time of the agreement, Iran was subject to a variety of sanctions imposed by an array of organizations. Once IAEA verified compliance with the nuclear-related measures, U.N. sanctions would terminate. Some E.U. sanctions would terminate and some would suspend. That would allow Iran to recover approximately
$100 billion of its assets frozen in overseas banks. No U.N. or E.U. nuclear-related sanctions or restrictive measures were to be imposed.
[Jessica Simeone & Anup Kaphle]
"Here Are The Highlights of the Iran Nuclear Agreement"
, Buzzfeed News (14 July 2015).
Additional E.U. sanctions would be lifted after eight years of compliance, including some on the
Revolutionary Guards.
[Felicia Schwartz]
"When Sanctions Lift, Iranian Commander Will Benefit"
, ''The Wall Street Journal'' blogs (15 July 2015).
The U.S. agreed to suspend its nuclear-related
secondary sanctions.
[Ellie Geranmayeh]
"Explainer: The Iran nuclear deal"
European Council on Foreign Relations (17 July 2015) This was not tied to a date or compliance but was expected to occur "roughly in the first half of 2016".
Some sanctions would continue: those on
conventional weapon sales for five years; those on ballistic missile technologies for eight.
But sanctions related to human rights, missiles, and support for terrorism remained in effect.
Many U.S. sanctions apply worldwide; E.U. sanctions apply only in Europe.
Snapback
Any of the P5+1 could invoke a "snapback" provision, under which sanctions would be reimposed.
Snapback sanctions would not apply retroactively to previously allowed contracts.
Dispute resolution
Any party could refer allegations of non-compliance to the Joint Commission monitoring body.
Complaints by a non-Iran party that were not resolved to the complainant's satisfaction within 35 days would allow the complainant to cease performing its commitments, notify the S.C., or both.
The S.C. would then have 30 days to adopt a resolution to continue the sanctions relief. Absent such a resolution, nuclear-related U.N. sanctions would automatically be reimposed. Iran said it would then cease performing its nuclear obligations.
This would allow any
permanent S.C. member (U.S., United Kingdom, China, Russia or France) to veto sanctions relief.
This procedure implied that the U.S., U.K., or France could reinstitute sanctions if it concluded that Iran was non-compliant,
though since that might cause Iran to withdraw from the agreement, they might be reluctant to do so.
Expiration
After 15 years, many provisions of the JCPOA would expire, including most enrichment provisions.
International reaction

The JCPOA received a mixed international reaction. Many countries expressed hope that it could achieve its goals,
["Iran deal 'sufficiently robust' for 10 years, says France's foreign minister Laurent Fabius"](_blank)
, ''The Economic Times'', Reuters (14 July 2015). while Iranian adversaries in the Middle East, including Israel and Saudi Arabia,
and some U.S. lawmakers saw it as defective and
appeasing Iran.
[Adam Wollner]
"How the 2016 Presidential Candidates Are Reacting to the Iran Deal"
, ''National Journal'' (14 July 2015).
Unique elements
JCPOA was the first of its kind in the annals of
non-proliferation.
The 159-page JCPOA document and its five appendices is the longest text of a multinational agreement since
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, according to
BBC Persian
BBC Persian () is the Persian language broadcast station and subsidiary of BBC World Service which conveys the latest political, social, economical and sport news relevant to Iran and the world. Its headquarters are in London, United Kingdom.
Pe ...
.
It was the first time that the S.C. had recognized a
developing country
A developing country is a sovereign state with a less-developed industrial base and a lower Human Development Index (HDI) relative to developed countries. However, this definition is not universally agreed upon. There is also no clear agreeme ...
's
nuclear enrichment program
and backed a multinational agreement within the framework of a resolution (
2231).
For the first time in U.N. history, a country—Iran—was able to rid itself of 6 U.N. resolutions—
1696,
1737,
1747,
1803
Events January–March
* January 1 – The first edition of Alexandre Balthazar Laurent Grimod de La Reynière's ''Almanach des gourmands'', the first guide to restaurant cooking, is published in Paris.
* January 4 – William Symingt ...
,
1835,
1929—without abiding by them for a single day.
Sanctions against Iran were lifted for the first time.
Iran was the first country subject to
Chapter VII of the United Nations Charter
Chapter VII of the United Nations Charter sets out the UN Security Council's powers to maintain peace. It allows the Council to "determine the existence of any threat to the peace, breach of the peace, or act of aggression" and to take military a ...
that ended its case by
diplomacy
Diplomacy is the communication by representatives of State (polity), state, International organization, intergovernmental, or Non-governmental organization, non-governmental institutions intended to influence events in the international syste ...
.
All other cases ended by
regime change,
war, or acquiescence.
Gary Sick said that during the history of the
Nuclear Non-Proliferation Treaty (NPT), no country other than Iran had ever voluntarily agreed to such restrictions.
During the final negotiations, Kerry stayed in Vienna for 17 days, the longest interval a Cabinet official had devoted to a single international negotiation in more than four decades. Zarif broke the record for an
Iranian Foreign Minister staying far from home with an 18-day stay in Vienna,
and set the record of 106 days of negotiations over 687 days, more than any other
chief nuclear negotiator in 12 years. The negotiations became the longest continuous negotiations with the presence of all five foreign ministers of the
permanent S.C. members.
The negotiations included "rare events" in
Iran–U.S. relations over their entire history. Kerry and Zarif met on 18 different dates—sometimes more than once per day—and in 11 different cities.
On 27 April 2015, Kerry visited the official residence of the
Permanent Representative of Iran to the United Nations to meet his counterpart. The encounter was the first since the
Iran hostage crisis
The Iran hostage crisis () began on November 4, 1979, when 66 Americans, including diplomats and other civilian personnel, were taken hostage at the Embassy of the United States in Tehran, with 52 of them being held until January 20, 1981. Th ...
.
On the sidelines of the
70th session of the United Nations General Assembly, President Obama shook hands with Zarif, the first such greeting in history. The event was unique in the form of
diplomatic rank
Diplomatic rank is a system of professional and social rank used in the world of diplomacy and international relations. A diplomat's rank determines many ceremonial details, such as the order of precedence at official processions, Seating plan, t ...
s, as a
head of state
A head of state is the public persona of a sovereign state.#Foakes, Foakes, pp. 110–11 " he head of statebeing an embodiment of the State itself or representative of its international persona." The name given to the office of head of sta ...
shook hands with a
minister. Obama said, "Too much effort has been put into the JCPOA and we all should be diligent to implement it."
History
Negotiations (2014–2015)
JCPOA was the culmination of a 20-month negotiation.
The parties extended their talks, first to 24 November 2014
and then to 1 July 2015.
A
framework was agreed on 2 April 2015 at
Lausanne
Lausanne ( , ; ; ) is the capital and largest List of towns in Switzerland, city of the Swiss French-speaking Cantons of Switzerland, canton of Vaud, in Switzerland. It is a hilly city situated on the shores of Lake Geneva, about halfway bet ...
. Under this framework Iran tentatively agreed to accept restrictions, all of which would last for a decade or longer, and to submit to increased
inspections. Negotiations continued, ending in
Vienna
Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...
at the
Palais Coburg.
On 14 July 2015, all parties agreed.
The agreement reflects the impact of a June 2015 public letter by a bipartisan group of U.S. diplomats, experts, and others.
["Public Statement on U.S. Policy Toward the Iran Nuclear Negotiations Endorsed by a Bipartisan Group of American Diplomats, Legislators, Policymakers, and Experts"](_blank)
, Washington Institute for Near East Policy (24 June 2015). The letter outlined concerns about various provisions and called for strengthening the agreement.
After the agreement was reached, one of the negotiators, Robert Einhorn, a former U.S. Department of State official, said: "Analysts will be pleasantly surprised. The more things are agreed to, the less opportunity there is for implementation difficulties later on."
An analysis by the
Carnegie Endowment for International Peace
The Carnegie Endowment for International Peace (CEIP) is a nonpartisan international affairs think tank headquartered in Washington, D.C., with operations in Europe, South Asia, East Asia, and the Middle East, as well as the United States. Foun ...
claimed that the final agreement was based upon (and buttressed) "the rules-based nonproliferation regime created by the Nuclear Non-Proliferation Treaty (NPT) and including especially the
IAEA safeguards system".
Participants

and
Mr. Majid ">akht-Ravanchi"In November 2015, U.S. State Department Assistant Secretary for Legislative Affairs
Julia Frifield said: "The JCPOA is not a treaty or an executive agreement, and is not a signed document. The JCPOA reflects political commitments between Iran, the P5+1, and the EU."
File:Wang Yi 2014 (cropped).jpg,
China
Wang Yi, Foreign Minister
In many countries, the ministry of foreign affairs (abbreviated as MFA or MOFA) is the highest government department exclusively or primarily responsible for the state's foreign policy and relations, diplomacy, bilateral, and multilateral r ...
File:Laurent Fabius January 2015.jpg,
France
Laurent Fabius, Foreign Minister
In many countries, the ministry of foreign affairs (abbreviated as MFA or MOFA) is the highest government department exclusively or primarily responsible for the state's foreign policy and relations, diplomacy, bilateral, and multilateral r ...
File:Frank-Walter Steinmeier Feb 2014 (cropped).jpg,
Germany
Frank-Walter Steinmeier, Minister of Foreign Affairs
In many countries, the ministry of foreign affairs (abbreviated as MFA or MOFA) is the highest government department exclusively or primarily responsible for the state's foreign policy and foreign relations, relations, diplomacy, bilateralism, ...
File:Federica Mogherini Official.jpg,
European Union
Federica Mogherini, High Representative
File:Mohammad Javad Zarif 2014.jpg,
Iran
Mohammad Javad Zarif, Minister of Foreign Affairs
In many countries, the ministry of foreign affairs (abbreviated as MFA or MOFA) is the highest government department exclusively or primarily responsible for the state's foreign policy and foreign relations, relations, diplomacy, bilateralism, ...
File:Sergey Lavrov 2014.jpg,
Russia
Sergey Lavrov, Foreign Minister
In many countries, the ministry of foreign affairs (abbreviated as MFA or MOFA) is the highest government department exclusively or primarily responsible for the state's foreign policy and relations, diplomacy, bilateral, and multilateral r ...
File:Philip Hammond, Secretary of State for Defence.jpg,
United Kingdom
Philip Hammond, Foreign Secretary
File:John Kerry official Secretary of State portrait.jpg,
United States
John Kerry
John Forbes Kerry (born December 11, 1943) is an American attorney, politician, and diplomat who served as the 68th United States secretary of state from 2013 to 2017 in the Presidency of Barack Obama#Administration, administration of Barac ...
, Secretary of State
Incorporation into international law by the Security Council
The S.C. formally endorsed the agreement on 20 July 2015.
["Iran nuclear deal: UN Security Council likely to vote next week: US diplomats to promote deal to UN counterparts in coming days"](_blank)
, CBC, Thomson Reuters (15 July 2015).[Somini Sengupta]
, ''The New York Times'' (16 July 2015).[
]
On 15 July,
U.S. Ambassador to the UN Samantha Power circulated a 14-page draft to Council members.
On 20 July, the S.C. approved resolution 2231
["United Nations Security Council Resolution 2231 (2015)"](_blank)
, adopted by the Security Council at its 7488th meeting, on 20 July 2015 by a 15–0 vote.
The resolution delayed implementation for 90 days to allow for U.S. Congressional consideration under the
Iran Nuclear Agreement Review Act of 2015.
[CBS News/Associated Press]
Iran deal set to become international law
(17 July 2015).
Speaking immediately after the vote, Power told the S.C. that sanctions relief would start only when Iran "verifiably" met its obligations. She also called upon Iran "to immediately release all unjustly detained Americans", specifically naming
Amir Hekmati,
Saeed Abedini, and
Jason Rezaian, who were detained at the time, and
Robert A. Levinson, who had been missing in the country.
Hekmati, Abedini, and Rezaian were released in a January 2016 prisoner exchange, which Kerry said the nuclear agreement had accelerated.
European Union
On the same day that the S.C. approved its resolution, the E.U. formally approved the JCPOA via a vote of the E.U.
Foreign Affairs Council
The Foreign Affairs Council (FAC) is a configuration of the Council of the European Union that convenes once a month. Meetings bring together the foreign ministers of the member states. Ministers responsible for European affairs, defence, developm ...
(the group of E.U. foreign ministers) meeting in
Brussels
Brussels, officially the Brussels-Capital Region, (All text and all but one graphic show the English name as Brussels-Capital Region.) is a Communities, regions and language areas of Belgium#Regions, region of Belgium comprising #Municipalit ...
. This set into motion the lifting of certain E.U. sanctions, including those prohibiting the purchase of Iranian oil.
[Robin Emmott & Francesco Guarascio]
"Europe backs Iran nuclear deal in signal to U.S. Congress"
, Reuters (20 July 2015). The E.U. continued its sanctions relating to human rights and
prohibiting the export of ballistic missile technology.
Review period in the U.S. Congress
The agreement's legal status in the U.S. was disputed. Under U.S. law, the JCPOA is a non-binding political commitment. According to the State Department, it specifically is not an
executive agreement nor a
treaty
A treaty is a formal, legally binding written agreement between sovereign states and/or international organizations that is governed by international law. A treaty may also be known as an international agreement, protocol, covenant, convention ...
(as defined in U.S. law). In contrast to treaties, which require two-thirds of the Senate to consent to ratification, executive commitments require no Congressional approval and are not legally binding as a matter of domestic law, but in some cases they may be considered such and bind the U.S. under international law.
[Amber Phillips]
"Can Congress stop the Iran deal?"
, ''The Washington Post'' (1 July 2015).
On 19 July 2015, the State Department officially transmitted the JCPOA to Congress.
, United States Department of State (19 June 2015). The referral included the Unclassified Verification Assessment Report on the JCPOA and the
Intelligence Community's Classified Annex to the Verification Assessment Report.
The 60-day review period began on 20 July
and ended on 17 September. A resolution of disapproval was brought to the Senate floor but failed. A resolution of approval was brought to the House floor, and also failed. As a result, the agreement went into effect after the congressional review period.
=Congress and the administration
=
Obama repeatedly urged Congress to support the agreement, noting the inspections regime's vigor and criticizing opponents for failing to offer a viable alternative.
[Michael D. Shear & Julie Hitschfeld Davis]
"Obama Begins 60-Day Campaign to Win Over Iran Deal Skeptics at Home and Abroad"
, ''The New York Times'' (15 July 2015). Vice President
Joe Biden
Joseph Robinette Biden Jr. (born November 20, 1942) is an American politician who was the 46th president of the United States from 2021 to 2025. A member of the Democratic Party (United States), Democratic Party, he served as the 47th vice p ...
met with Senate Foreign Relations Committee Democrats, seeking their support.
Republicans generally rejected the deal. Cruz said that under the agreement "the Obama administration will become the financier of terrorism against America in the world."
[Peter Baker]
"Obama Criticizes Huckabee, Trump, Cruz and Other Republicans"
, ''The New York Times'' (27 July 2015). Former Governor
Mike Huckabee of Arkansas, a candidate for the 2016 Republican presidential nomination, called Obama "naive".
[Nick Gass]
"Mike Huckabee not backing down after Holocaust remark"
''Politico'' (27 July 2015). Obama cited the support of Democrats typically associated with strong defense backgrounds, saying, "This is a deal that has been endorsed by people like
Brent Scowcroft
Brent Scowcroft (; March 19, 1925August 6, 2020) was a United States Air Force officer, and a two-time National Security Advisor (United States), United States National Security Advisor, first under U.S. President Gerald Ford and then under Georg ...
and
Sam Nunn... historic Democratic and Republican leaders on arms control and on keeping America safe".
["Remarks by President Obama and Prime Minister Hailemariam Desalegn of Ethiopia in Joint Press Conference, National Palace Addis Ababa, Ethiopia"](_blank)
White House Office of the Press Secretary (27 July 2015).
Senate Majority Leader
Mitch McConnell promised that Republicans would discuss the agreement respectfully in September.
Democrat Senate Minority Leader
Chuck Schumer
Charles Ellis Schumer ( ; born November 23, 1950) is an American politician serving as the Seniority in the United States Senate, senior United States Senate, United States senator from New York (state), New York, a seat he has held since 1999. ...
distinguished the nuclear and non-nuclear aspects. His conclusion was: "when it comes to the nuclear aspects of the agreement within ten years, we might be slightly better off with it. However, when it comes to the nuclear aspects after ten years and the non-nuclear aspects, we would be better off without it."
Director of National Intelligence
The director of national intelligence (DNI) is a Cabinet of the United States#Current Cabinet and Cabinet-rank officials, cabinet-level Federal government of the United States, United States government intelligence and security official. The p ...
James Clapper said that JCPOA "puts U.S. in a far better place in terms of insight and access" than no agreement.
[Eliza Collins]
"Clapper: Iran deal gives U.S. access, insight"
, ''Politico'' (24 July 2015).
=Public discussion
=
The discussion extended to the wider public.
[Deb Riechmann]
High-stakes lobbying on Iran deal; pressure for Congress
, ''San Francisco Chronicle'', Associated Press (22 July 2015). Major campaign donors took sides, with opponents (
Sheldon Adelson,
Paul Singer, and
Haim Saban) outspending supporters (
Ploughshares Fund,
Rockefeller Brothers Fund,
George Soros,
S. Daniel Abraham,
Tim Gill,
Norman Lear,
Margery Tabankin, and
Arnold Hiatt) by millions of dollars.
[Jonathan Weisman & Nicholas Confessore]
"Donors Descend on Schumer and Others in Debate on Iran"
, ''The New York Times'' (12 August 2015).[Catherine Ho]
"Mega-donors opposing Iran deal have upper hand in fierce lobbying battle"
, ''The Washington Post'' (13 August 2015).
Some groups welcomed the JCPOA,
[Ali Gharib]
, Al Jazeera America (16 July 2015). such as the
National Iranian American Council (NIAC), and Iranian American Bar Association.
Public letters of support abounded (often bipartisan):
* 73 Middle East and foreign affairs scholars supported the deal. Signatories included
John Esposito
John Louis Esposito (born May 19, 1940) is an American academic, professor of Middle Eastern studies, Middle Eastern and religious studies, and scholar of Islamic studies, who serves as Professor of Religion, International Affairs, and Islamic S ...
,
Ehsan Yarshater
Ehsan Yarshater (; April 3, 1920 – September 1, 2018) was an Iranian historian and linguist who specialized in Iranology. He was the founder and director of the Center for Iranian Studies, and Hagop Kevorkian Professor Emeritus of Iranian Stud ...
,
Noam Chomsky
Avram Noam Chomsky (born December 7, 1928) is an American professor and public intellectual known for his work in linguistics, political activism, and social criticism. Sometimes called "the father of modern linguistics", Chomsky is also a ...
,
Peter Beinart,
John Mearsheimer, and
Stephen Walt.
* More than 100 former U.S. ambassadors and senior State Department officials.
[Julian Hattem]
"More than 100 ex-US ambassadors pledge backing for Iran deal"
, ''The Hill'' (17 July 2015).["Letter to the President from over 100 former American Ambassadors on the Joint Comprehensive Plan of Action on Iran's Nuclear Program"](_blank)
(17 July 2015). Signatories included
Daniel C. Kurtzer,
James R. Jones,
Frank E. Loy,
Princeton N. Lyman,
Jack F. Matlock Jr.,
Donald F. McHenry,
Thomas E. McNamara, and
Thomas R. Pickering.
* Five former U.S. ambassadors to Israel and three former
Under Secretaries of State:
R. Nicholas Burns,
James B. Cunningham,
William C. Harrop,
Daniel Kurtzer, Thomas R. Pickering,
Edward S. Walker Jr., and
Frank G. Wisner.
[James Fallows]
"A Guide to the Iran Nuclear Deal's Supporters and Opponents"
, ''The Atlantic'' (28 July 2015).["Letter to Congressional Leadership from Former Under Secretaries of State and former American Ambassadors to Israel on the Joint Comprehensive Plan of Action"](_blank)
(27 July 2015).
* 60 national-security leaders.
Republican signatories included
Paul O'Neill,
Carla Anderson Hills,
William Perry, and
Nancy Landon Kassebaum.
Democrats included
Madeleine Albright
Madeleine Jana Korbel Albright (born Marie Jana Körbelová, later Korbelová; May 15, 1937 – March 23, 2022) was an American diplomat and political science, political scientist who served as the 64th United States Secretary of State, United S ...
,
George J. Mitchell,
Tom Daschle,
Carl Levin
Carl Milton Levin (June 28, 1934 – July 29, 2021) was an American attorney and politician who served as a List of United States senators from Michigan, United States senator from Michigan from 1979 to 2015. A member of the Democratic Party (U ...
.
[Joe Cirincione]
"60 of America's Top National Security Leaders Endorse Iran Deal"
, The Huffington Post (21 July 2015). Others included
Zbigniew Brzezinski,
Brent Scowcroft
Brent Scowcroft (; March 19, 1925August 6, 2020) was a United States Air Force officer, and a two-time National Security Advisor (United States), United States National Security Advisor, first under U.S. President Gerald Ford and then under Georg ...
,
R. Nicholas Burns,
Thomas R. Pickering;
Ryan Crocker
Ryan Clark Crocker (born June 19, 1949) is a retired American diplomat who served as a career ambassador within the United States Foreign Service. A recipient of the Presidential Medal of Freedom, he served as United States ambassador to Afg ...
,
Stuart Eizenstat;
Eric T. Olson,
Michele Flournoy, and Robert Einhorn.
* 29 U.S. scientists, mostly physicists,
[William J. Broad]
"29 U.S. Scientists Praise Iran Nuclear Deal in Letter to Obama"
, ''The New York Times'' (8 August 2015).
(8 August 2015), reprinted by ''The New York Times''. many of whom had held
Q clearances and been longtime government advisers.
The five primary authors were
Richard L. Garwin, Robert J. Goldston, R. Scott Kemp,
Rush D. Holt, and Frank N. von Hippel. Six
Nobel Prize in Physics
The Nobel Prize in Physics () is an annual award given by the Royal Swedish Academy of Sciences for those who have made the most outstanding contributions to mankind in the field of physics. It is one of the five Nobel Prizes established by the ...
laureates co-signed the letter:
Philip W. Anderson,
Leon N. Cooper,
Sheldon L. Glashow,
David Gross
David Jonathan Gross (; born February 19, 1941) is an American theoretical physicist and string theorist. Along with Frank Wilczek and David Politzer, he was awarded the 2004 Nobel Prize in Physics for their discovery of asymptotic freedom. ...
,
Burton Richter, and
Frank Wilczek
Frank Anthony Wilczek ( or ; born May 15, 1951) is an American theoretical physicist, mathematician and Nobel laureate. He is the Herman Feshbach Professor of Physics at the Massachusetts Institute of Technology (MIT), Founding Director ...
.
Other scientists included
Siegfried S. Hecker,
Freeman Dyson
Freeman John Dyson (15 December 1923 – 28 February 2020) was a British-American theoretical physics, theoretical physicist and mathematician known for his works in quantum field theory, astrophysics, random matrix, random matrices, math ...
, and
Sidney Drell.
* 36 retired military
generals and
admiral
Admiral is one of the highest ranks in many navies. In the Commonwealth nations and the United States, a "full" admiral is equivalent to a "full" general in the army or the air force. Admiral is ranked above vice admiral and below admiral of ...
s.
[Karen DeYoung]
"Dozens of retired generals, admirals back Iran nuclear deal"
, ''The Washington Post'' (11 August 2015).["Read: An open letter from retired generals and admirals on the Iran nuclear deal"](_blank)
(letter released 11 August 2015), reprinted by ''The Washington Post''. Signatories included
James E. "Hoss" Cartwright,
Joseph P. Hoar,
Merrill McPeak, and
Lloyd W. Newton,
Robert G. Gard Jr.,
Claudia J. Kennedy,;
Lee F. Gunn,
Garland Wright,
Joseph Sestak, and
Paul D. Eaton.
* 75 arms control and nuclear nonproliferation experts.
["The Comprehensive P5+1 Nuclear Agreement With Iran: A Net-Plus for Nonproliferation: Statement from Nuclear Nonproliferation Specialists"](_blank)
, Arms Control Association (17 August 2015).[Michael Crowley]
, ''Politico'' (18 August 2015). Signers included
Valerie Plame,
Joseph C. Wilson,
Hans Blix
Hans Martin Blix (; born 28 June 1928) is a Swedish diplomat and politician for the Liberal People's Party. He was Swedish Minister for Foreign Affairs (1978–1979) and later became the head of the International Atomic Energy Agency. Blix wa ...
;
Morton H. Halperin; and experts from the
Brookings Institution
The Brookings Institution, often stylized as Brookings, is an American think tank that conducts research and education in the social sciences, primarily in economics (and tax policy), metropolitan policy, governance, foreign policy, global econo ...
,
Stimson Center, and other
think tank
A think tank, or public policy institute, is a research institute that performs research and advocacy concerning topics such as social policy, political strategy, economics, military, technology, and culture. Most think tanks are non-governme ...
s.
* 26 Jewish leaders supported the deal; signers included three former chairs of the
as well as former AIPAC executive director
Tom Dine.
* 340 rabbis organized by
Ameinu.
["340 U.S. rabbis sign letter supporting Iran deal"](_blank)
, Jewish Telegraphic Agency (17 August 2015). Signers included
Sharon Brous,
Burton Visotzky,
Nina Beth Cardin,
Lawrence Kushner,
Sharon Kleinbaum, and
Amy Eilberg.
* 11 Democratic Jewish former members of Congress.
[Jewish Telegraphic Agency]
"11 Jewish ex-congressmen back Iran deal; 190 former generals oppose"
(27 August 2015). Signatories included Levin,
Barney Frank,
Mel Levine,
Steve Rothman, and
Robert Wexler.
Public letters from opponents included:
* 200 retired generals and admirals.
Signers included
Leon A. "Bud" Edney,
James A. Lyons,
William G. Boykin, and
Thomas McInerney.
U.S. pro-Israel lobby groups were divided.
[Felicia Schwartz]
"Pro-Israel Groups in U.S. Square Off Over Iran Nuke Deal"
, ''The Wall Street Journal'' Washington Wire blog (16 July 2015). American Israel Public Affairs Committee
The American Israel Public Affairs Committee (AIPAC ) is a pro-Israel lobbying group that advocates its policies to the legislative and executive branches of the United States. It is one of several pro-Israel lobbying organizations in the ...
spent millions opposing it.
[Julie Hirschfeld Davis]
"It's Either Iran Nuclear Deal or 'Some Form of War,' Obama Warns"
, ''The New York Times'' (5 August 2015). J Street came out in support, and planned a $5 million advertising effort.
[ Ailsa Chang]
"Lobbyists Spending Millions to Sway the Undecided on Iran Deal"
, NPR (6 August 2015). In the first week of August J Street launched a $2 million, three-week ad campaign in support of the agreement, with TV ads in Colorado, Maryland, Michigan, Oregon, and Pennsylvania.
[Gus Burns]
, MLive.com (4 August 2015).
Leaders of the Reform Jewish movement stayed neutral.
[Chemi Shalev]
"Reflecting Deep Divisions, Reform Movement Abstains From 'Yes' or 'No' on Iran Deal"
, ''Haaretz'' (19 August 2015).
Conversely, in late August a group of 900 rabbis signed an open letter by
Kalman Topp and Yonah Bookstein calling upon Congress to reject the agreement. The
Orthodox Union
The Orthodox Union (abbreviated OU) is one of the largest Orthodox Jewish organizations in the United States. Founded in 1898, the OU supports a network of synagogues, youth programs, Jewish and Religious Zionist advocacy programs, programs f ...
and
American Jewish Committee also announced opposition to the agreement.
United Against Nuclear Iran (UANI) opposed the deal,
["Citizens for a Nuclear Free Iran (CNFI) Launches Third National TV Ad"](_blank)
(press release), United Against Nuclear Iran (20 August 2015). although the group's president and co-founder, nonproliferation expert
Gary Samore, disagreed.
[Michael R. Gordon]
"Head of Group Opposing Iran Accord Quits Post, Saying He Backs Deal"
, ''The New York Times'' (11 August 2015). Foundation for American Security and Freedom and Veterans Against the Deal ran opposing ads.
[Allison Kaplan Sommer]
"Ad Nauseum: How Supporters and Opponents Are Trying to Sell the Iranian Nuclear Deal"
''Haaretz'' (26 August 2015).
Supporters included
MoveOn.org, Americans United for Change, and
Global Zero.
Iran Project, and the
United Nations Association of the U.S.supported the agreement.
[Peter Waldman]
"How Freelance Diplomacy Bankrolled by Rockefellers Has Paved the Way for an Iran Deal"
, Bloomberg Politics (2 July 2015). Colin Powell
Colin Luther Powell ( ; – ) was an Americans, American diplomat, and army officer who was the 65th United States secretary of state from 2001 to 2005. He was the first African-American to hold the office. He was the 15th National Security ...
expressed support.
[Alexandra Jaffe]
"Colin Powell: Iran Deal Is a 'Pretty Good Deal'"
, NBC News (6 September 2015).
Retired U.S. Senators
Carl Levin
Carl Milton Levin (June 28, 1934 – July 29, 2021) was an American attorney and politician who served as a List of United States senators from Michigan, United States senator from Michigan from 1979 to 2015. A member of the Democratic Party (U ...
and
John Warner published a supporting op-ed.
[Carl Levin & John Warner]
"Why hawks should also back the Iran deal"
, ''Politico'' (13 August 2015). Retired Republican
Richard Lugar and Democrat
J. Bennett Johnston wrote in support of the agreement.
Foreign diplomats joined the debate.
Israeli ambassador to the U.S. Ron Dermer was an opponent. European ambassadors including Sir
Peter Westmacott supported it.
The
Roman Catholic Church
The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
expressed support, led by Bishop
Oscar Cantú.
[Vinnie Rotondaro]
"Signs of 'seamless garment' in Catholic support for Iran nuke deal"
, ''National Catholic Reporter'' (13 August 2015).
Michael Mandelbaum claimed that nonproliferation ultimately depended on deterrence, not agreements.
Alan Dershowitz
Alan Morton Dershowitz ( ; born September 1, 1938) is an American lawyer and law professor known for his work in U.S. constitutional law, U.S. constitutional and American criminal law, criminal law. From 1964 to 2013, he taught at Harvard Law Sc ...
claimed that the involvement of Russia and China made the deal irrelevant.
[ See also ]
=Committee hearings
=
A
Senate Foreign Relations Committee hearing took place on 23 July. Kerry,
Treasury Secretary Jack Lew, and Moniz testified.
[Jonathan Weisman & Michael R. Gordon]
"Kerry Defends Iran Nuclear Deal Before Skeptical Senate"
, ''The New York Times'' (23 July 2015). Chair
Bob Corker said the agreement codified rather than dismantled the Iranian program.
Ranking member
Benjamin Cardin remained neutral.
Other Democrats, led by
Barbara Boxer
Barbara Sue Boxer (née Levy; born November 11, 1940) is a retired American politician, lobbyist, and former reporter who served in the United States Senate, representing California from 1993 to 2017. A member of the Democratic Party (United St ...
, expressed support. Corker and Cardin requested to review the IAEA-Iran document.
[Karen DeYoung]
"Senate opponents of Iran deal draw hard lines against White House"
''The Washington Post'' (23 July 2015). Kerry, Lew, and Moniz said that without JCPOA, international sanctions would collapse.
Republican senators gave vociferous speeches denouncing the deal.
The three also testified before the
House Committee on Foreign Affairs.
Republican Committee chair
Ed Royce claimed that the deal traded permanent sanctions relief for temporary restrictions
and criticized the inspection regime.
Ranking member
Eliot Engel was not in support.
Secretary of Defense Ashton Carter, General
Martin Dempsey, the
chairman of the Joint Chiefs of Staff, Kerry, Moniz, and Lew appeared before the
Senate Armed Services Committee
The Committee on Armed Services, sometimes abbreviated SASC for Senate Armed Services Committee, is a committee of the United States Senate empowered with legislative oversight of the nation's military, including the Department of Defen ...
.
Carter and Dempsey had been invited to testify by Republican Chair
John McCain
John Sidney McCain III (August 29, 1936 – August 25, 2018) was an American statesman and United States Navy, naval officer who represented the Arizona, state of Arizona in United States Congress, Congress for over 35 years, first as ...
, who opposed the deal.
Ranking member
Jack Reed stressed the need to independently validate the deal.
Carter assured the committee that the U.S. could employ military force if needed and that he did not expect other Iranian misbehavior to stop,
another reason to limit its nuclear program.
Dempsey testified that the agreement reduced the chances of a near-term military conflict.
IAEA has confidential technical arrangements with many countries.
Some Republican lawmakers called such agreements "secret side deals" that restructured the deal.
Cruz introduced an unsuccessful resolution seeking a delay in the review period, arguing that the review period should begin upon receipt of all relevant documents.
State Department spokesman
John Kirby responded the P5+1 had been fully briefed and that related questions could be addressed in a classified setting.
Various experts lined up on both sides of the controversy.
=Congressional reactions
=
''The Washington Post'' listed 12 issues raised by U.S. senators including Corker,
Bob Menendez,
Jim Risch,
Marco Rubio, and
Ron Johnson, including the efficacy of inspections at undeclared sites; the effectiveness of the snapback sanctions; the significance of limits on enrichment; the significance of IAEA side agreements; the effectiveness of inspections of military sites; the consequences of walking away from an agreement; and the effects of lifting sanctions.
Republican leaders vowed to kill the agreement.
[Jennifer Steinhauer]
"Republicans Have Minds Made Up as Debate Begins on Iran Nuclear Deal"
, ''The New York Times'' (23 July 2015).
One area of disagreement was the consequences of walking away, and whether renegotiation was a realistic option.
Schumer, an opponent, called for retaining and strengthening sanctions, and to continue negotiating.
President Obama argued that renegotiation was unrealistic, that the Iranian people would see further concessions as "total surrender of their sovereignty",
[Remarks by the President on the Iran Nuclear Deal, American University, Washington, D.C.](_blank)
White House Office of the Press Secretary (5 August 2015). Another transcript of this speech was also printed b
''The Washington Post''
. and that other countries would not continue to support the existing sanctions regime.
Senator
Al Franken accepted the claim that no better deal was feasible. Representative
Sander M. Levin announced his support. Senator Cardin said that if the agreement were implemented, the U.S. should increase military aid to Israel and friendly Gulf states.
Senator
Bill Nelson and Foreign Relations Committee members
Tim Kaine and Barbara Boxer announced their support.
[Mike DeBonis]
"Three Senate Democrats came off of the fence to support the Iran deal"
''The Washington Post'' (4 August 2015).
The Associated Press reported that the classified
U.S. Intelligence Community assessment concluded the agreed inspection regime would diminish Iran's ability to conceal a covert weapons program.
[Karoun Demirjian]
"House Dems pounce on intel assessment of Iran deal"
''The Washington Post'' (13 August 2015). Ten active and former Democratic members of the
House Select Committee on Intelligence (including Minority Leader
Nancy Pelosi and Intelligence Committee ranking member
Adam Schiff
Adam Bennett Schiff (born June 22, 1960) is an American lawyer, author, and politician serving as the Seniority in the United States Senate, junior United States Senate, United States senator from California, a seat he has held since 2024. A m ...
) cited this assessment, which was available for members of Congress to read, as a reason to support the agreement.
["Current and Former House Intelligence Committee Members Urge Colleagues to Review Intelligence Community Assessments of Iran Nuclear Deal"](_blank)
, United States House Permanent Select Committee on Intelligence Democratic Office (13 August 2015).
=Congressional votes
=
A resolution of disapproval was initially expected to pass both the House and Senate.
Two-thirds of both houses are required to override a presidential veto.
[Amber Phillips]
"Whip count: Where the Senate stands on the Iran deal"
''The Washington Post'' (5 August 2015).[Lauren French]
''Politico'' (13 August 2015). On 20 August 2015, Pelosi claimed that House Democrats had the votes to sustain a veto of a resolution of disapproval.
By 20 August, about 60 House Democrats had announced their support, versus about 12 opponents.
By early September 2015, 34 senators had confirmed their support, ensuring that the Senate could sustain a veto.
[Amber Phillips]
"President Obama's Iran deal nears a major symbolic victory"
''The Washington Post'' (8 September 2015). This proved to be moot, since by 8 September, all senators had announced their commitments, with 42 in support (40 Democrats and two independents) and 58 opposed (54 Republicans and four Democrats).
Without 60 votes on either side, the other could
filibuster
A filibuster is a political procedure in which one or more members of a legislative body prolong debate on proposed legislation so as to delay or entirely prevent a decision. It is sometimes referred to as "talking a bill to death" or "talking ...
any resolution.
A key part of obtaining even limited support came during an August 2015 meeting at which top diplomats from the UK, Russia, China, Germany, and France told 10 undecided Democratic senators they had no intention of returning to negotiations.
Initially, the House leadership planned to vote on a resolution of disapproval.
Speaker John Boehner instead chose to advance a resolution of approval to force Democratic supporters to formally register their views.
On 11 September 2015 the resolution of approval failed on a 162–269 vote; 244 Republicans and 25 Democrats voted no, while 162 Democrats and no Republicans voted yes.
The same day, Congress passed resolutions claiming that the requirements of a congressional review period were not met (by
party-line vote) and that that would prevent the U.S. from lifting any sanctions
[Lauren French]
"House GOP disapproves of Iran deal in symbolic vote"
''Politico'' (11 September 2015). (all Republicans and two Democrats in favor).
["Final Vote Results for Roll Call 492"](_blank)
an
"Final Vote Results for Roll Call 494"
(11 September 2015), Office of the Clerk of the United States House of Representatives.
Iranian review
Khamenei gave Rouhani guidelines for how to proceed.
[
] On 21 June 2015, the
Iranian Parliament (''Majlis'') formed a committee to study the JCPOA and decided to wait at least 80 days before voting.
[Thomas Erdbrink]
"Iran Lawmakers to Wait 80 Days Before Voting on Nuclear Deal"
''The New York Times'' (21 July 2015). Zarif and
Atomic Energy Organization of Iran (AEOI) chief
Ali Akbar Salehi defended the deal in Parliament.
In televised remarks on 23 July 2015, Rouhani rejected domestic criticism by Iranian hardliners, such as the
Islamic Revolutionary Guard Corps
The Islamic Revolutionary Guard Corps (IRGC), also known as the Iranian Revolutionary Guards, is a multi-service primary branch of the Islamic Republic of Iran Armed Forces, Iranian Armed Forces. It was officially established by Ruhollah Khom ...
.
[Thomas Erdbrink & Rock Gladstone]
"Iran's President Defends Nuclear Deal in Blunt Remarks"
''The New York Times'' (23 July 2015). He claimed a popular mandate to make an agreement based on
his election in 2013 and said the alternative was suffering under continued sanctions.
A two-page, top-secret directive from Iran's
Supreme National Security Council instructed newspapers to avoid criticism or giving any impression of disagreement at the highest levels of government.
On 3 September, Khamenei said that the ''Majlis'' should make the final decision.
[Jay Solomon]
"Iran Leaders Say Parliament Will Have Final Say on Fate of Nuclear Deal"
''The Wall Street Journal'' (3 September 2015). The same day,
Parliament Speaker Ali Larijani voiced his support.
Former presidents
Akbar Hashemi Rafsanjani and
Mohammad Khatami
Mohammad Khatami (born 14 October 1943) is an Iranian politician and Shia cleric who served as the fifth president of Iran from 3 August 1997 to 3 August 2005. He also served as Iran's Minister of Culture from 1982 to 1992. Later, he was critic ...
and moderates within parliament announced their support.
Most prominent opposition leaders, including
Mir-Hossein Mousavi, a
2009 presidential candidate under
house arrest
House arrest (also called home confinement, or nowadays electronic monitoring) is a legal measure where a person is required to remain at their residence under supervision, typically as an alternative to imprisonment. The person is confined b ...
for his role as a leader of the
Green Movement
Green politics, or ecopolitics, is a political ideology that aims to foster an ecologically sustainable society often, but not always, rooted in environmentalism, nonviolence, social justice and grassroots democracy. Wall 2010. p. 12-13. It ...
, also announced their support.
The anti-agreement coalition included former president
Mahmoud Ahmadinejad
Mahmoud Ahmadinejad (born Mahmoud Sabbaghian on 28 October 1956) is an Iranian Iranian principlists, principlist and Iranian nationalism, nationalist politician who served as the sixth president of Iran from 2005 to 2013. He is currently a mem ...
, former head of AEOI
Fereydoon Abbasi, ex-nuclear negotiator
Saeed Jalili, and various conservative clerics and IRGC commanders. This group claimed that Iranian negotiators caved on many key issues and were outmaneuvered.

The
Majlis commission for examining the JCPOA invited
Ali Shamkhani, as well as members of a former
nuclear negotiation team including
Ali Bagheri and Abbasi, to a hearing. During the session, ex-chief negotiator
Saeed Jalili said that "approximately 100 absolute rights" of Iran had been conceded and that the deal turned Iran's right to adopt nuclear technology under the NPT into mere permission. He claimed that the deal violated the terms Khamenei set. Commission members
Masoud Pezeshkian
Masoud Pezeshkian (, ; born 29 September 1954) is an Iranian politician and physician who has been serving as the ninth president of Iran since 28 July 2024.
Pezeshkian served as governor of Piranshahr and Naghadeh counties and was elected to ...
and Abbas Ali Mansouri Arani criticized Jalili's testimony. In another session, negotiators
Abbas Araqchi and
Majid Takht-Ravanchi defended the deal.
The leading reformist newspapers, ''
Etemad'' and ''
Shargh'', supported the deal.
[Tara Kangarlou]
"Tehran's debate over nuclear pact mirrors Washington's"
Al-Jazeera (13 August 2015). The leading conservative papers, ''
Ettelaat'' and ''
Kayhan'', criticized its terms.
Many Iranian dissidents, including
Nobel Peace Prize
The Nobel Peace Prize (Swedish language, Swedish and ) is one of the five Nobel Prizes established by the Will and testament, will of Sweden, Swedish industrialist, inventor, and armaments manufacturer Alfred Nobel, along with the prizes in Nobe ...
laureate, human rights activist, and Iranian exile
Shirin Ebadi and former
political prisoner
A political prisoner is someone imprisoned for their political activity. The political offense is not always the official reason for the prisoner's detention.
There is no internationally recognized legal definition of the concept, although ...
Akbar Ganji came out in support.
Others opposed the agreement, including
Ahmad Batebi,
Nazanin Afshin-Jam, and
Roozbeh Farahanipour.
On 13 October the Iranian Parliament approved the JCPOA supplemented by text unilaterally added by Iran and not agreed to by the P5+1, with 161 votes in favor, 59 against, and 13 abstentions.
Adoption Day
On 18 October 2015 E.U. High Representative Mogherini and Iranian Foreign Minister Zarif jointly announced "Adoption Day".
On 20 September 2015, Director-General
Yukiya Amano of the IAEA went to the
Parchin missile production facility, along with Director of Safeguards
Tero Varjoranta, to obtain clarifications on the site's nuclear activities.
The next day, Amano professed satisfaction with the samples submitted by the Iranians to the IAEA. IAEA experts were not physically present during the sampling, but Amano said the procedure met "strict agency criteria".
In June 2016, IAEA investigators reported that they had reported traces of
uranium
Uranium is a chemical element; it has chemical symbol, symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Ura ...
found at the Parchin facility in December 2015.
Implementation Day

After the IAEA certified that Iran had met the relevant JCPOA requirements, all nuclear sanctions were lifted by the UN, the E.U. and the U.S. on 16 January 2016, "Implementation Day".
That day Washington imposed sanctions on 11 companies and individuals for supplying Iran's ballistic missile program.
According to Kerry, $1.7 billion in debt with interest was to be paid to
Tehran
Tehran (; , ''Tehrân'') is the capital and largest city of Iran. It is the capital of Tehran province, and the administrative center for Tehran County and its Central District (Tehran County), Central District. With a population of around 9. ...
. But some Iranian financial institutions, including Ansar Bank,
Bank Saderat, Bank Saderat PLC, and Mehr Bank, remained on the SDN List and U.S. sanctions with respect to Iran, including existing terrorism, human rights and ballistic missiles-related sanctions, remained in effect.
Status in U.S. law
In a letter sent to then Representative
Mike Pompeo
Michael Richard Pompeo (; born December 30, 1963) is an American retired politician who served in the First presidency of Donald Trump#Administration, first administration of Donald Trump as director of the Central Intelligence Agency (CIA) fr ...
, the State Department said that the JCPOA "is not a
treaty
A treaty is a formal, legally binding written agreement between sovereign states and/or international organizations that is governed by international law. A treaty may also be known as an international agreement, protocol, covenant, convention ...
or an
executive agreement, and is not a signed document".
According to the
Congressional Research Service
The Congressional Research Service (CRS) is a public policy research institute of the United States Congress. Operating within the Library of Congress, it works primarily and directly for members of Congress and their committees and staff on a ...
, different definitions of "treaty" are used in international and U.S. law. According to the
Vienna Convention on the Law of Treaties
The Vienna Convention on the Law of Treaties (VCLT) is an international agreement that regulates treaties among sovereign states.
Known as the "treaty on treaties", the VCLT establishes comprehensive, operational guidelines, rules, and proced ...
, "The term 'treaty' has a broader meaning under international law than under domestic law. Under international law, 'treaty' refers to any binding international agreement. Under domestic U.S. law, 'treaty' signifies only those binding international agreements that have received the
advice and consent
Advice and consent is an English phrase frequently used in List of enacting formulae, enacting formulae of bill (proposed law), bills and in other legal or constitutional contexts. It describes either of two situations: where a weak executive ...
of the
Senate
A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
."
Deterrence
Michael Eisenstadt, Director of the Military and Security Studies Program at the
Washington Institute for Near East Policy, wrote that deterrence must remain the "core imperative" for U.S. policy.
Einhorn wrote that maintaining a credible deterrent was essential.
Obama stated that the U.S. would continue its policy of deterring any Iranian efforts to develop nuclear weapons, including via military force.
Flexibility meant that Obama rejected specifying "the penalties for smaller violations of the accord" in advance.
Dennis Ross and
David Petraeus claimed that deterrence including military force was essential to preventing Iran from nuclear weapons and called on Obama to clearly state that policy.
Khamenei claimed that his
fatwa and not JCPOA was the reason Iran would not acquire nuclear weapons.
Trump administration (2017)
The U.S. certified in April 2017 and in July 2017 that Iran was complying with the deal.
On 13 October 2017 President Trump announced that he would not make the certification required under the
''Iran Nuclear Agreement Review Act'', accusing Iran of violating the spirit of the deal and calling on the U.S. Congress and international partners to "address the deal's many serious flaws".
Trump left Congress to decide whether to reimpose sanctions. Trump's aides sought to enact rules indicating how the U.S. could reimpose sanctions. Trump listed three items that could provoke the U.S. to reject deal: intercontinental ballistic missile development, Iranian refusal to extend the constraint period, and evidence that Iran had reduced the time needed to manufacture a bomb to fewer than 12 months.
Rouhani,
Theresa May,
Emmanuel Macron
Emmanuel Jean-Michel Frédéric Macron (; born 21 December 1977) is a French politician who has served as President of France and Co-Prince of Andorra since 2017. He was Ministry of Economy and Finance (France), Minister of Economics, Industr ...
,
Angela Merkel, and European Union foreign policy chief
Federica Mogherini said the agreement was working well and that no one country could break it, reconfirming support for the deal. Russian foreign minister
Sergey Lavrov confirmed that Iran was in compliance.
U.S. withdrawal (May 2018)
On 8 May 2018 the U.S. officially withdrew after Trump signed a Presidential Memorandum ordering sanctions reinstatement, opting instead to seek a comprehensive and lasting solution working allies.
IAEA continued to certify Iranian compliance. Other signatories said they would comply with the deal even absent the U.S.
Consequences of U.S. withdrawal
The U.S. adopted a policy of "maximum pressure", led by global sanctions.
The
Iranian rial fell by some 20%, from 35,000 to the dollar to 42,000 in 2021. International banks that traded with Iran paid heavy fines. The American flag was set on fire in Iran's Parliament. According to
Israel Defense Forces
The Israel Defense Forces (IDF; , ), alternatively referred to by the Hebrew-language acronym (), is the national military of the State of Israel. It consists of three service branches: the Israeli Ground Forces, the Israeli Air Force, and ...
sources, IRGC
Quds Forces based in Syria launched rockets at Israeli military targets the next evening, the first time Iran had directly targeted Israel. All major European companies abandoned doing business with Iran out of fear of U.S. punishment.
Khamenei's conditions
Khamenei presented seven conditions for Europe to sustain JCPOA. Among them was that European powers must take steps to preserve business relations with Iranian banks and purchase Iranian oil. He rejected holding discussions about Iran's
ballistic missile
A ballistic missile is a type of missile that uses projectile motion to deliver warheads on a target. These weapons are powered only during relatively brief periods—most of the flight is unpowered. Short-range ballistic missiles (SRBM) typic ...
program and regional activities.
Defection of Iran (2019)
One year after the U.S. withdrawal, Iran took countermeasures. Iran halted its required sales of excess enriched uranium and heavy water to other countries. Rouhani said that Iran would resume enrichment beyond 3.67% if other parties could not let Iran benefit from JCPOA's economic provisions.
In May 2019, IAEA certified that Iran was abiding by the deal's main terms, but raised questions about the limits on advanced centrifuges.
On 8 May, Iran announced it would suspend implementation of parts of JCPOA, threatening further action in 60 days absent exemption from U.S. sanctions.
On 7 July, Iran announced that it had started to increase
uranium enrichment beyond the agreed 3.67% limit. IAEA said its inspectors would verify Iran's actions. Zarif sent a letter to Mogherini notifying her about Iran's noncompliance.
On 4 November, Iran doubled the number of advanced centrifuges it operated. It began enriching uranium to 4.5%. On 5 November 2019, Iranian nuclear chief
Ali Akbar Salehi announced that Iran would enrich uranium to 5% at Fordow, adding that it already had the capability to enrich uranium to 20%.
Diplomatic conflict (2020)
In 2020, Trump and Pompeo asserted that the U.S. remained a "participant" in the agreement, despite having formally withdrawn, in an effort to persuade the S.C. to reimpose pre-agreement sanctions on Iran for its breaches.
Reentry negotiations
2021
New U.S. President
Joe Biden
Joseph Robinette Biden Jr. (born November 20, 1942) is an American politician who was the 46th president of the United States from 2021 to 2025. A member of the Democratic Party (United States), Democratic Party, he served as the 47th vice p ...
stated his intention to reinstate the deal. Israeli Prime Minister
Naftali Bennett advised against this, saying that stopping Iran's aggression and preventing Iran from building nuclear weapons should be the priority.
In April, talks between the original parties started in
Vienna
Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...
. Biden put the meetings on hold in June.
Enrique Mora, E.U. coordinator for reviving negotiations with Iran, attended President
Ebrahim Raisi's inauguration. Iran sought E.U. assurances that the U.S. withdrawal would not repeat. On 14 October, Iran and the E.U. agreed to further negotiations. Iranian deputy foreign minister
Ali Bagheri reiterated Mora's statement that "the E.U. was ready to collaborate with Iran and the other parties".
A joint statement by French, German, U.K., and U.S. leaders on 30 October welcomed Biden's interest in reestablishing JCPOA. Talks resumed on 29 November, with representatives from Iran, China, France, Germany, Russia, and the U.K.
Bagheri presented Iran's draft. Western negotiators rejected it. Iranian negotiators insisted that the U.S. lift all sanctions before Iran would scale back its nuclear program. On 9 December, negotiations continued, with Russia and China pushing Iran to revise its stance.
2022
On 20 February, 250 members of the 290-member Iranian parliament, which had been controlled by hardliners since 2020, issued a statement urging Raisi to comply with their requirements for reestablishing JCPOA.
The U.S. engaged in indirect talks with Iran, mediated by China, Russia and E.U. JCPOA revival became a priority for the
Biden administration when the
Russian invasion of Ukraine
On 24 February 2022, , starting the largest and deadliest war in Europe since World War II, in a major escalation of the Russo-Ukrainian War, conflict between the two countries which began in 2014. The fighting has caused hundreds of thou ...
spiked global energy prices. JCPOA would add about a million barrels/day of Iranian oil to the international market, which would lower
crude oil prices.
Throughout the year, leaders on both sides made statements assessing the state of talks. Points of contention included:
* the
IAEA investigation about undeclared materials from three nuclear sites;
* the presence of IRGC on the list of terrorist organizations;
* Russian demands to explicitly protect its economic relations with Iran (eventually Russia received U.S. guarantees to protect its trade with Iran from
international sanctions
International sanctions are political and economic decisions that are part of diplomatic efforts by countries, multilateral or regional organizations against states or organizations either to protect national security interests, or to protect i ...
);
* additional sanctions relief.
By May, talks had stalled. On 7 May, Mora visited Iran to restart them.
In June, Tehran said it was removing 27 U.N. surveillance cameras.
On 16 June, the Biden administration announced sanctions against Iran's petrochemical industry. On 6 July, the U.S. initiated legal proceedings against entities based in
Singapore
Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...
,
Vietnam
Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...
, and the
United Arab Emirates
The United Arab Emirates (UAE), or simply the Emirates, is a country in West Asia, in the Middle East, at the eastern end of the Arabian Peninsula. It is a Federal monarchy, federal elective monarchy made up of Emirates of the United Arab E ...
for evading sanctions.
In July, indirect talks between the U.S. and Iran failed.
In August European negotiators presented a "final" text, after another round. The draft did not include removal of the IRGC's terrorism designation.
In September, Iran increased its oil exports to China, circumventing sanctions.
A delegation visited Tehran on 18 December to discuss the nuclear material discovered at three sites. Earlier Iran reported it had enriched uranium to its highest level of 60%, one step away from weapons grade.
On 20 December, a meeting was held in
Amman
Amman ( , ; , ) is the capital and the largest city of Jordan, and the country's economic, political, and cultural center. With a population of four million as of 2021, Amman is Jordan's primate city and is the largest city in the Levant ...
,
Jordan
Jordan, officially the Hashemite Kingdom of Jordan, is a country in the Southern Levant region of West Asia. Jordan is bordered by Syria to the north, Iraq to the east, Saudi Arabia to the south, and Israel and the occupied Palestinian ter ...
.
The IAEA censured Iran twice in 2022 for failing to cooperate.
2023
An IAEA report on the
Fordow Fuel Enrichment Plant found that two cascades of IR-6 centrifuges were configured in a way "substantially different" from what Iran had previously declared. Iran claimed the difference was due to a human error. On 31 January, the
U.S. State Department authorized a sanctions waiver, which allowed Russia to develop the enrichment site, a move that some criticized because it allowed Iran to develop its
nuclear program with
Russian-state controlled firms.
On 4 March, Grossi met with Raisi and other top Iranian officials. Earlier, IAEA had detected uranium particles enriched up to 83.7% at Fordo. In the meantime, Iran gave assurances that it would reinstall monitoring equipment at sensitive locations.
In early June, European powers resumed internal talks. Preliminary negotiations with France, Germany, the U.K., and
Ali Bagheri Kani again took place in
Oslo
Oslo ( or ; ) is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of in 2022, while the city's greater urban area had a population of 1,064,235 in 2022 ...
. A U.S. State Department official acknowledged that direct connections had been under way, the first since 2018. Both sides had released prisoners accused of espionage and terrorism.
On 18 June, indirect talks between Iran and the U.S. began in
Oman
Oman, officially the Sultanate of Oman, is a country located on the southeastern coast of the Arabian Peninsula in West Asia and the Middle East. It shares land borders with Saudi Arabia, the United Arab Emirates, and Yemen. Oman’s coastline ...
after the U.S. allowed the release of blocked Iraqi payments to Iran. On 4 July,
Iran-Iraq Joint Chamber of Commerce chairman
Yahya Ale Eshaq confirmed the release of $10 billion, to be used for unsanctioned goods. This allowed Iran to double its trade with Iraq. As a consequence, IAEA imposed no additional punitive measures on Iran, as European allies saw no benefit. Israel said it opposed "mini-agreements" with Iran, as well as the original agreement.
In late August, after months of negotiations, first in Oman and then with Qatari officials in New York, agreements between the U.S. and Iran led to a gradual easing of sanctions on Iranian oil sales, particularly for eastern markets such as China. Iranian oil sales reached their highest since 2018, allowing prices to drop below $85 a barrel. Skeptical analysts claimed this was simply to keep U.S. gasoline prices in check for the 2024 election. The U.S. State Department insisted on continued sanctions enforcement, while some reports indicated that Iran was slowing its uranium enrichment. Iranian oil production reached 3 million barrels per day in July, with a further increase to at least 3.4 million barrels in August.
In late August, IAEA confirmed that Iran had slowed its program to enrich uranium to 60%. Concurrently, the sale of Iranian crude increased. Some oil sanctions were lifted.
In the first week of September, the U.S. State Department officially released $6 billion in frozen assets and finalized an exchange of five prisoners each. The funds could be used only for unsanctioned goods.
A September IAEA report confirmed an enrichment slowdown, but claimed that no reporting progress had been made and that the camera equipment at the enrichment site remained inaccessible.
In mid-September, the IAEA/Iran relationship further deteriorated when Iran rejected IAEA nuclear inspectors. This was formally permitted by Iran's safeguards agreement.
On 18 September, Raisi spoke at the
U.N. General Assembly and said that Iran would never give up its right to peaceful nuclear energy. He urged Western powers to return to the nuclear deal. Israel left the assembly hall in protest.
In October, Qatar and the U.S. put Iran's access to blocked funds on hold due to the
Gaza war
The Gaza war is an armed conflict in the Gaza Strip and southern Israel fought since 7 October 2023. A part of the unresolved Israeli–Palestinian conflict, Israeli–Palestinian and Gaza–Israel conflict, Gaza–Israel conflicts dating ...
, although Iran denied any involvement in the attack.
2024
Additional sanctions were imposed on the Iranian aviation sector due to its involvement with exports of missile components to Russia. Iran denied any deliveries. An IAEA report confirmed the expansion of Iran's enrichment program. Fordow was routinely enriching uranium to 60%. The report said that Iran informed the agency that eight clusters of advanced IR-6 centrifuges had been installed at the site but not brought online. The larger site at
Natanz added 15 cascades, allowing an enrichment purity of 5%. IAEA board resolutions required Iran to cooperate with its investigations into uranium traces and called for inspectors to enter nuclear sites.
AEOI spokesman
Behrouz Kamalvandi met with representatives of Russia's
Joint Institute for Nuclear Research to exchange technical details.
On November 13, IAEA director
Rafael Grossi visited Tehran where he was welcomed by Behrouz Kamalvandi, spokesman for the Atomic Energy Organization of Iran (AEOI). Grossi, holding talks with Foreign Minister
Abbas Araghchi and AEOI Chief
Mohammad Eslami, had earlier said the JCPOA was an "empty shell" but that IAEA inspectors had no evidence that Iran was building a nuclear bomb. During the COP29 climate summit in
Baku
Baku (, ; ) is the Capital city, capital and List of cities in Azerbaijan, largest city of Azerbaijan, as well as the largest city on the Caspian Sea and in the Caucasus region. Baku is below sea level, which makes it the List of capital ci ...
, he warned that "the international situation is becoming increasingly tense".
["IAEA chief on Tehran visit for talks with Iranian officials"]
''nournews''. Accessed Nov 13 2024.
See also
*
2016 U.S.–Iran naval incident
*
Agreed Framework
*
Begin Doctrine (The common term for the Israeli government's preventive strike to the potential enemies' capability to possess WMD)
*
Black Cube (a private intelligence company founded by former Israeli intelligence officers)
*
Budapest Memorandum
*
Disarmament of Iraq
*
Disarmament of Libya
*
Iran–United States relations during the Obama administration
*
Mehdi Sarram
*
United Nations S.C. resolutions concerning the nuclear program of Iran
*
U.S. national emergency with respect to Iran
*
History and culture of negotiation in Iran
Notes
References
External links
"Joint statement by E.U. High Representative Federica Mogherini and Iranian Foreign Minister Javad Zarif"at the
European External Action Service
The European External Action Service (EEAS) is the diplomatic service in charge of executing all Foreign relations of the European Union, international relations of the European Union. The EEAS is led by the Vice-President of the European Co ...
(EEAS)
* Full text of the agreement:
** Via EEAS:
**
"Joint Comprehensive Plan of Action"**
"Annex I: Nuclear-related commitments"
**
"Annex II: Sanctions-related commitments"***
"Attachments to Annex II"**
"Annex III: Civil nuclear cooperation"
**
"Annex IV: Joint Commission"**
"Annex V: Implementation Plan"**
; Videos
Inside the Iran Nuclear Deal with the Lead U.S. Negotiator (2015)-
Miller Center
On The Same Page: America's Middle East Allies and Regional Threats-
Foundation for Defense of Democracies — 1/15/2021
** UAE Minister of State
Yousef Al Otaiba
** Bahrain Ambassador to the U.S. Rashid al-Khalifa
** Israel Ambassador to the U.S.
Ron Dermer
Iran Nuclear Deal Progress Report–
Nuclear Threat Initiative (2017)
"The Iran Nuclear Deal Explained"–
The Wall Street Journal
''The Wall Street Journal'' (''WSJ''), also referred to simply as the ''Journal,'' is an American newspaper based in New York City. The newspaper provides extensive coverage of news, especially business and finance. It operates on a subscriptio ...
(2015)
{{Barack Obama
2015 documents
2010s in Vienna
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2015 in international relations
2015 in Iran
2016 in Iran
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2016 controversies
July 2015 in Austria
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Diplomatic conferences in Austria
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Presidency of Hassan Rouhani
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