In 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 ...
(EU), enhanced cooperation (previously known as closer cooperation) is a procedure where a minimum of nine
EU member states
The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe. The union has a total area of and an estimated population of over 449million as of 2024. The EU is often de ...
are allowed to establish advanced
integration or cooperation in an area within
EU structures but without the other member states being involved.
As of October 2017, this procedure is being used in the fields of the
Schengen acquis,
divorce law
Divorce law, the legal provisions for the dissolution of marriage, varies widely across the globe, reflecting diverse legal systems and cultural norms. Most nations allow for residents to divorce under some conditions except the Philippines (alt ...
,
patents
A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an sufficiency of disclosure, enabling discl ...
,
property regimes of international couples, and
European Public Prosecutor
The European Public Prosecutor's Office (EPPO) is an independent body of the European Union (EU) with a juridical personality, established under the Treaty of Lisbon between 24 of the 27 states of the EU following the method of enhanced cooper ...
and is approved for the field of a
financial transaction tax.
This is distinct from the
EU opt-out, that is a form of cooperation between EU member states within
EU structures, where it is allowed for a limited number of states to refrain from participation (e.g.
EMU
The emu (; ''Dromaius novaehollandiae'') is a species of flightless bird endemism, endemic to Australia, where it is the Tallest extant birds, tallest native bird. It is the only extant taxon, extant member of the genus ''Dromaius'' and the ...
,
Schengen Area
The Schengen Area ( , ) encompasses European countries that have officially abolished border controls at their common borders. As an element within the wider area of freedom, security and justice (AFSJ) policy of the European Union (EU), it ...
). It is further distinct from
Mechanism for Cooperation and Verification and permanent
acquis
The Community acquis or ''acquis communautaire'' (; ), sometimes called the EU acquis, and often shortened to acquis, is the accumulated legislation, legal acts and court decisions that constitute the body of European Union law that came into ...
suspensions, whose lifting is conditional on meeting certain benchmarks by the affected member states.
History
Enhanced cooperation, at that time known as closer cooperation, was introduced by the
Treaty of Amsterdam
The Treaty of Amsterdam, officially the Treaty of Amsterdam amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts, was signed on 2 October 1997, and entered into force on 1 May 1999; i ...
for
community
A community is a social unit (a group of people) with a shared socially-significant characteristic, such as place, set of norms, culture, religion, values, customs, or identity. Communities may share a sense of place situated in a given g ...
,
judicial cooperation and criminal matters. The
Treaty of Nice
The Treaty of Nice was signed by European leaders on 26 February 2001 and came into force on 1 February 2003.
It amended the Maastricht Treaty (or the Treaty on European Union) and the Treaty of Rome (or the Treaty establishing the European C ...
simplified the mechanism: the right of veto which the Member States enjoyed over the establishment of enhanced cooperation has disappeared (except in the field of foreign policy), the number of Member States required for launching the procedure has changed from the majority to the fixed number of eight Member States. It also introduced cooperation for the
Common Foreign and Security Policy, except for defence matters.
At the same time, it stipulated that acts adopted within an enhanced cooperation do not form part of the Union acquis that new member states have to adopt. It also renamed ''closer cooperation'' to ''enhanced cooperation''. The
Treaty of Lisbon
The Treaty of Lisbon (initially known as the Reform Treaty) is a European agreement that amends the two treaties which form the constitutional basis of the European Union (EU). The Treaty of Lisbon, which was signed by all EU member states o ...
extended cooperation to include defence
and additionally envisions the possibility for establishment of a ''
permanent structured cooperation'' in defence. A minimum requirement of nine member states was also introduced. The provisions governing enhanced cooperation are now detailed in the
Treaty on European Union (Article 20) and
Treaty on the Functioning of the European Union (Article 326-334).
The
Schengen Agreement
The Schengen Agreement ( , ) is a treaty which led to the creation of Europe's Schengen Area, in which internal border checks have largely been abolished. It was signed on 14 June 1985, near the town of Schengen, Luxembourg, by five of the t ...
adoption is considered a historical inspiration for formalising the mechanism of Enhanced cooperation. It was created by
European Communities
The European Communities (EC) were three international organizations that were governed by the same set of Institutions of the European Union, institutions. These were the European Coal and Steel Community (ECSC), the European Atomic Energy Co ...
member states only, but outside of its structures, in part owing to the lack of consensus amongst all member states over whether it had the competence to abolish border controls, and in part because those ready to implement the idea did not wish to wait for others. As there was no Enhanced cooperation mechanism back then it was impossible to establish it inside the Community structures from the start, but afterwards the Schengen Agreement was subsumed into
European Union law
European Union law is a system of Supranational union, supranational Law, laws operating within the 27 member states of the European Union (EU). It has grown over time since the 1952 founding of the European Coal and Steel Community, to promote ...
by the
Treaty of Amsterdam
The Treaty of Amsterdam, officially the Treaty of Amsterdam amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts, was signed on 2 October 1997, and entered into force on 1 May 1999; i ...
as the rules of the
Schengen Area
The Schengen Area ( , ) encompasses European countries that have officially abolished border controls at their common borders. As an element within the wider area of freedom, security and justice (AFSJ) policy of the European Union (EU), it ...
.
Usage
Enhanced cooperation allows for a minimum of nine member states (which amounts to one-third at the moment) to co-operate within the structures of the EU without all member states. This allows them to move at different speeds, and towards different goals, than those outside the enhanced cooperation area.
It is designed to overcome paralysis, where a proposal is blocked by the veto of an individual state or a small group who do not wish to be part of the initiative.
[Vucheva, Elitsa (24 July 2008]
Divorce rules could divide EU states
EU Observer It does not however allow for an extension of powers outside those permitted by the
treaties of the European Union
The Treaties of the European Union are a set of international treaties between the European Union (EU) member states which sets out the EU's constitutional basis. They establish the various EU institutions together with their remit, procedure ...
and is only allowed as a last resort where objectives cannot be achieved normally. It may not discriminate against member states, it must further the objectives in the treaties and may not fall within an area which is of exclusive competence of the EU.
The mechanism needs a minimum of nine Member States, who file a request with the
European Commission
The European Commission (EC) is the primary Executive (government), executive arm of the European Union (EU). It operates as a cabinet government, with a number of European Commissioner, members of the Commission (directorial system, informall ...
. If the Commission accepts it then it has to be approved by a
qualified majority
A supermajority is a requirement for a proposal to gain a specified level of support which is greater than the threshold of one-half used for a simple majority. Supermajority rules in a democracy can help to prevent a majority from eroding fund ...
of all member states to proceed.
A member may not veto the establishment of enhanced cooperation except for foreign policy.
Currently in force
Schengen acquis
The Schengen acquis was originally established on an intergovernmental basis, but was later on integrated as an enhanced cooperation (at that time known as ''closer cooperation'') into the framework of 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 ...
by the
Treaty of Amsterdam
The Treaty of Amsterdam, officially the Treaty of Amsterdam amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts, was signed on 2 October 1997, and entered into force on 1 May 1999; i ...
.
Ireland
Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...
and the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
obtained opt-outs from the Schengen cooperation, allowing them to opt out from legal acts that build upon the Schengen acquis on a case-by-case basis. Formally speaking, the other member states are authorized to establish an enhanced cooperation among themselves and make use of the treaty provisions on such cooperations whenever Ireland (and previously also the United Kingdom) choose to opt out from a legal act that build upon the Schengen acquis.
However, the provisions on enhanced cooperation for the Schengen acquis differ somewhat from the provisions for other enhanced cooperations. For instance, the member states are automatically authorized to initiate an enhanced cooperation as soon as Ireland opt out; no separate decision has to be made in the Council.
Furthermore, the Schengen acquis forms an integral part of the Union law that every acceding member state has to adopt, reflecting the provisions on enhanced cooperations in force before the
Treaty of Nice
The Treaty of Nice was signed by European leaders on 26 February 2001 and came into force on 1 February 2003.
It amended the Maastricht Treaty (or the Treaty on European Union) and the Treaty of Rome (or the Treaty establishing the European C ...
.
Applicable law to divorce (Rome III)

With the rise in cross border divorce in the EU, common rules were put forward to settle the issue of under which law trans-national couples can divorce in the EU. In July 2008 nine member states put forward a proposal to use enhanced cooperation: Austria, France, Greece, Hungary, Italy, Luxembourg, Romania, Slovenia and Spain. Belgium, Germany, Lithuania and Portugal were considering joining them.
At a meeting of the justice ministers on 25 July 2008, the nine states decided to formally seek the measure of enhanced cooperation; eight states (the nine states above minus France) formally requested it from the European Commission on 28 July 2008.
[Two-speed Europe may emerge over divorce rules](_blank)
''EUobserver'' On 24 March 2010, when the law was formally proposed by the commission, Bulgaria was the tenth state to join the aforementioned eight and France. Belgium, Germany and Latvia formally joined them on 28 May 2010, while Greece withdrew.
MEPs backed the proposal in June 2010
with fourteen states willing to adopt the proposed cooperation: Austria, Belgium, Bulgaria, France, Germany, Hungary, Italy, Latvia, Luxembourg, Malta, Portugal, Romania, Slovenia and Spain. These states were then authorised by the council to proceed with enhanced cooperation on 12 July 2010.
, Europolitics.info 12 July 2010 Following the adoption of Council Regulation (EU) No 1259/2010 on 20 December 2010, also known as the Rome III Regulation, came into force in the 14 participating states on 21 June 2012.
Other EU Member state are permitted to sign up to the pact at a later date. Lithuania became the first state to join the agreement when they were approved by the commission on 21 November 2012.
The provisions of the agreement applied to Lithuania as of 22 May 2014.
Greece's participation was approved by the commission on 27 January 2014, making them the 16th member state to join the regulation, which applied to it as of 29 July 2015. Estonia's participation was approved by the Commission in August 2016, and the regulation applied to the member state as of 11 February 2018.
Unitary patent

The
unitary patent, formally a "
European patent with unitary effect", is the second case of enhanced cooperation adopted by the European Commission and Parliament. 26 Member States, all except Spain and Croatia (which
acceded to the EU following the unitary patents adoption), participate in the unitary patent. Towards the end of 2010, twelve states proposed enhanced cooperation to work around disagreements with Italy and Spain over what languages a European patent would be translated into. The unitary patent would be examined and granted in one of the existing official languages of the
European Patent Office
The European Patent Office (EPO) is one of the two organs of the European Patent Organisation (EPOrg), the other being the Administrative Council. The EPO acts as executive body for the organisation – English, French or German. Following the Commission approval of the plan on 14 December 2010, the
Council of the European Union
The Council of the European Union, often referred to in the treaties and other official documents simply as the Council, and less formally known as the Council of Ministers, is the third of the seven institutions of the European Union (EU) a ...
requested the
European Parliament
The European Parliament (EP) is one of the two legislative bodies of the European Union and one of its seven institutions. Together with the Council of the European Union (known as the Council and informally as the Council of Ministers), it ...
's consent to use of enhanced cooperation for a unitary patent on 14 February 2011 with the participation of 25 member states (all but Italy and Spain). The Parliament approved it the next day and the Council authorised enhanced cooperation on 10 March 2011.
On 13 April 2011 the Commission adopted a proposal for a Council Regulation implementing enhanced cooperation. During the European Council of 28–29 June 2012, agreement was reached on the provisions between the 25 member states and the necessary EU-legislation was approved by the European Parliament on 11 December 2012.
Following a request by the government of Italy, it became a participant of the unitary patent regulations in September 2015.
The enhanced cooperation measures entered into force in January 2013, and will apply to a participating member state from the date when the related
Agreement on a Unified Patent Court enters into force for the state. The UPC agreement has been signed by 25 EU member states, including all states participating in the enhanced cooperation measures except
Poland
Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukrai ...
; while Italy, on the other hand, signed the UPC agreement prior to joining the enhanced cooperation measures for a unitary patent.
Poland decided to wait to see how the new patent system works before joining due to concerns that it would harm their economy.
Entry into force of the UPC took place for the first group of ratifiers on 1 June 2023.
Property regimes of international couples
In June 2016, the Council of the European Union
The Council of the European Union, often referred to in the treaties and other official documents simply as the Council, and less formally known as the Council of Ministers, is the third of the seven institutions of the European Union (EU) a ...
authorised 18 Member States of the European Union to initiate an enhanced cooperation in the area of jurisdiction, applicable law and the recognition and enforcement of decisions on the property regimes of international couples, covering both matters of matrimonial property regimes and the property consequences of registered partnership. Later that month, enhanced cooperation was implemented through Regulations EU 2016/1103 for married couples and EU 2016/1104 for registered partnerships, both of which will fully apply from 29 January 2019.
European Public Prosecutor
The European Public Prosecutor's Office (EPPO) is an independent body of the European Union (EU) established under the Treaty of Lisbon between 20 of the 27 (28 at the time) member states of the EU. It will be based in Luxembourg alongside the European Court of Justice and the European Court of Auditors. The role of the EPPO is to investigate and prosecute fraud against the EU budget and other crimes against the EU's financial interests including fraud concerning EU funds of over €10,000 and cross-border VAT fraud cases involving damages above €10 million. Previously only national authorities could investigate and prosecute these crimes and could not act beyond their borders.
The European Commission
The European Commission (EC) is the primary Executive (government), executive arm of the European Union (EU). It operates as a cabinet government, with a number of European Commissioner, members of the Commission (directorial system, informall ...
proposed a regulation for the establishment of the EPPO on 17 July 2013. After no consensus could be reached among all EU member states, the states which wished to participate notified the European Parliament, the Council and the commission on 3 April 2017 that they would proceed with establishing the EPPO by the use of enhanced cooperation. This was done under TFEU Article 86, which allows for a simplified enhanced cooperation procedure which does not require authorization from the council to proceed. The participating member states agreed on the legislative text to establish the EPPO on 8 June. On 12 October 2017 the regulation was given final approval by the 20 participating states. The EPPO will not have authority to begin investigating or prosecuting crimes until a decision of Commission approves this, which per the terms of the Regulation cannot take place until 3 years after the entry into force of the Regulation in November 2017.[
The Netherlands officially requested to join EPPO on 14 May 2018, which was approved by the commission on 1 August 2018. Malta requested to join on 14 June 2018, and their participation was approved on 7 August 2018.
On 6 May 2021 the Commission's decision launching operations was adopted, with a starting date of 1 June 2021.
On 5 January 2024 Poland submitted an application to join to the European Commission, which was approved on 29 February 2024. On 5 June 2024 Sweden notified its request to participate in the EPPO to the Council of Ministers and the EU Commission, which was approved on 16 July 2024.
]
Proposals
Financial transaction tax
After discussions to establish a European Union financial transaction tax (FTT), which would tax financial transactions
A financial transaction is an agreement, or communication, between a buyer and seller to exchange goods, services, or assets for payment. Any transaction involves a change in the status of the finances of two or more businesses or individuals. ...
between financial institutions
A financial institution, sometimes called a banking institution, is a business entity that provides service as an intermediary for different types of financial monetary transactions. Broadly speaking, there are three major types of financial ins ...
, failed to establish unanimous support due objections from the United Kingdom and Sweden, a group of states began pursuing the idea of utilising enhanced cooperation to implement the tax. Nine states (Austria, Belgium, Finland, France, Germany, Greece, Italy, Portugal and Spain) signed a letter in February 2012 requesting that a FTT be implemented. After their parliamentary election in March 2012, Slovakia joined the list of states supporting the FTT. On 16 July 2012, Hungary introduced a unilateral 0.1 percent FTT to be implemented in January 2013. In October 2012, after discussions failed to establish unanimous support for an EU-wide FTT, the European Commission proposed that the use of enhanced cooperation should be permitted to implement the tax in the states which wished to participate. The proposal, supported by 11 EU member states
The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe. The union has a total area of and an estimated population of over 449million as of 2024. The EU is often de ...
(Austria, Belgium, Estonia, France, Germany, Greece, Italy, Portugal, Slovakia, Slovenia and Spain), was approved in the European Parliament
The European Parliament (EP) is one of the two legislative bodies of the European Union and one of its seven institutions. Together with the Council of the European Union (known as the Council and informally as the Council of Ministers), it ...
in December 2012 and the Council in January 2013. On 14 February, the European Commission put forward a revised proposal for the details of the FTT to be enacted under enhanced cooperation. The proposal was approved by the European Parliament in July 2013, and must now be unanimously approved by the 11 initial participating states before coming into force.
The legal service of the Council of the European Union concluded in September 2013, that the European Commission's proposal would not tax "systemic risk" activities but only healthy activities, and that it was incompatible with the EU treaty on several grounds while also being illegal because of "exceeding member states' jurisdiction for taxation under the norms of international customary law". The Financial Transaction Tax can no longer be blocked by the Council of the European Union on legal grounds, but each individual EU member state is still entitled to launch legal complaints against a finally approved FTT to the European Court of Justice
The European Court of Justice (ECJ), officially the Court of Justice (), is the supreme court of the European Union in matters of European Union law. As a part of the Court of Justice of the European Union, it is tasked with interpreting ...
, potentially annulling the scheme. On 6 May 2014, ten out of the initial eleven participating member states (all except Slovenia) agreed to seek a "progressive" tax on equities and "some derivatives" by 1 January 2016, and aimed for a final agreement on the details to be negotiated and unanimously agreed upon later in 2014. With negotiations ongoing into 2016, Estonia formally withdrew from the FTT enhanced cooperation procedure on 16 March 2016, leaving 10 participating states.
Other arrangements between European Union member states
A number of other agreements between a subset of EU member states to deepen integration have been concluded outside the framework of EU law. Some of these have subsequently been replaced by EU regulations, such as the Brussels Convention and the Rome Convention. The European Commission proposed in July 2015 to also integrate the Euro Plus Pact, European Fiscal Compact and the Single Resolution Fund into EU law by June 2017, while planning for the European Stability Mechanism
The European Stability Mechanism (ESM) is an intergovernmental organization located in Luxembourg City, which operates under public international law for all eurozone member states having ratified a special ESM intergovernmental treaty. It was ...
to make the same transition by 2025.
Permanent Structured Cooperation in Defence
The European Defence Initiative was a proposal for enhanced 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 ...
defence cooperation presented by France, Germany, Belgium and Luxembourg in Brussels on 29 April 2003, before the extension of the coverage of the enhanced cooperation procedure to defence matters. The Treaty of Lisbon
The Treaty of Lisbon (initially known as the Reform Treaty) is a European agreement that amends the two treaties which form the constitutional basis of the European Union (EU). The Treaty of Lisbon, which was signed by all EU member states o ...
added the possibility for "those Member States whose military capabilities fulfill higher criteria and which have made more binding commitments to one another in this area with a view to the most demanding missions oestablish permanent structured cooperation within the Union framework".
Those states shall notify their intention to the Council and to the High Representative. The Council then adopts, by qualified majority
A supermajority is a requirement for a proposal to gain a specified level of support which is greater than the threshold of one-half used for a simple majority. Supermajority rules in a democracy can help to prevent a majority from eroding fund ...
a decision establishing permanent structured cooperation and determining the list of participating Member States. Any other member state, that fulfills the criteria and wishes to participate, can join the PSCD following the same procedure, but in the voting for the decision will participate only the states already part of the PSCD. If a participating state no longer fulfills the criteria a decision suspending its participation is taken by the same procedure as for accepting new participants, but excluding the concerned state from the voting procedure. If a participating state wishes to withdraw from PSCD it just notifies the Council to remove it from the list of participants. All other decisions and recommendations of the Council concerning PSCD issues unrelated to the list of participants are taken by unanimity
Unanimity is agreement by all people in a given situation. Groups may consider unanimous decisions as a sign of social, political or procedural agreement, solidarity, and unity. Unanimity may be assumed explicitly after a unanimous vote or imp ...
of the participating states.
The criteria established in the PSCD Protocol are the following:
* co-operate and harmonise requirements and pool resources in the fields related to defence equipment acquisition, research, funding and utilisation, notably the programs and initiatives of the European Defence Agency
The European Defence Agency (EDA) is an agency of the European Union (EU) that promotes and facilitates integration between member states within the EU's Common Security and Defence Policy (CSDP). The EDA is headed by the EU High Represent ...
(e.g. Code of Conduct on Defence Procurement)
* capacity to supply, either at national level or as a component of multinational force groups, targeted combat units for the missions planned, structured at a tactical level as a battle group, with support elements including transport (airlift
An airlift is the organized delivery of Materiel, supplies or personnel primarily via military transport aircraft.
Airlifting consists of two distinct types: strategic and tactical. Typically, strategic airlifting involves moving material lo ...
, sealift
Sealift is a term used predominantly in military logistics and refers to the use of cargo ships for the deployment of military assets, such as weaponry, vehicles, military personnel, and supplies. It complements other means of transport, such as ...
) and logistics
Logistics is the part of supply chain management that deals with the efficient forward and reverse flow of goods, services, and related information from the point of origin to the Consumption (economics), point of consumption according to the ...
, within a period of five to 30 days, in particular in response to requests from the United Nations Organization, and which can be sustained for an initial period of 30 days and be extended up to at least 120 days.
* capable of carrying out in the above timeframes the tasks of joint disarmament
Disarmament is the act of reducing, limiting, or abolishing Weapon, weapons. Disarmament generally refers to a country's military or specific type of weaponry. Disarmament is often taken to mean total elimination of weapons of mass destruction, ...
operations, humanitarian
Humanitarianism is an ideology centered on the value of human life, whereby humans practice benevolent treatment and provide assistance to other humans to reduce suffering and improve the conditions of humanity for moral, altruistic, and emotiona ...
and rescue
Rescue comprises responsive operations that usually involve the saving of life, removal from danger, liberation from restraint, or the urgent treatment of injury, injuries after an incident. It may be facilitated by a range of tools and equipm ...
tasks, military advice and assistance tasks, conflict prevention and peace-keeping tasks, tasks of combat forces in crisis management, including peace-making and post-conflict stabilisation
On 7 September 2017 an agreement was made between EU foreign affairs ministers to move forward with PESCO with 10 initial projects. The agreement was signed on 13 November by 23 of the 28 member states. Ireland and Portugal notified the High Representative and the Council of the European Union of their desire to join PESCO on 7 December 2017. Denmark did not originally participate as it had an opt-out
The term opt-out refers to several methods by which individuals can avoid receiving unsolicited product or service information. This option is usually associated with direct marketing campaigns such as e-mail marketing or direct mail. A list of th ...
from the Common Security and Defence Policy, nor did the United Kingdom, which withdrew from the EU in 2020. Malta opted-out as well.
However, following 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 ...
in February 2022, the Danish parliament
The Folketing ( , ), also known as the Parliament of Denmark or the Danish Parliament in English, is the unicameral national legislature (parliament) of the Kingdom of Denmark — Denmark proper together with the Faroe Islands and Greenland. E ...
adopted a proposal in favour of Denmark
Denmark is a Nordic countries, Nordic country in Northern Europe. It is the metropole and most populous constituent of the Kingdom of Denmark,, . also known as the Danish Realm, a constitutionally unitary state that includes the Autonomous a ...
participating in the Common Security and Defence Policy, including the European Defence Agency and PESCO, on 8 April 2022. Danish voters approved ending the opt-out in a 1 June 2022 referendum, which became effective 1 July. Subsequently, Denmark proceeded to consider participating in PESCO, which was approved by Parliament in March 2023. The Council of the EU approved Denmark joining PESCO on 23 May 2023.
Open Method of Coordination
The Open Method of Coordination is a method of governance in 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 ...
, based on the voluntary cooperation of its member states
A member state is a state that is a member of an international organization or of a federation or confederation.
Since the World Trade Organization (WTO) and the International Monetary Fund (IMF) include some members that are not sovereign states ...
. The open method rests on soft law
The term ''soft law'' refers to quasi-legal instruments (like recommendations or guidelines) which do not have any legally binding force, or whose binding force is somewhat weaker than the binding force of traditional law. Soft law is often contra ...
mechanisms such as guidelines and indicators, benchmarking
Benchmarking is the practice of comparing business processes and performance metrics to industry bests and best practices from other companies. Dimensions typically measured are Project management triangle, quality, time and cost.
Benchmarking is ...
and sharing of best practice
A best practice is a method or technique that has been generally accepted as superior to alternatives because it tends to produce superior results. Best practices are used to achieve quality as an alternative to mandatory standards. Best practice ...
. This means that there are no official sanctions for laggards. Rather, the method's effectiveness relies on a form of peer pressure and naming and shaming
To name and shame is to "publicly say that a person, group or business has done something wrong". It is a form of public shaming used to rally popular opinion against and, in turn, discourage certain kinds of behavior or enterprises. The practic ...
, as no member state wants to be seen as the worst in a given policy area.
Euro Plus Pact
The Euro Plus Pact is an arrangement for cooperating in economic measures adopted on 25 March 2011 by the European Council
The European Council (informally EUCO) is a collegiate body (directorial system) and a symbolic collective head of state, that defines the overall political direction and general priorities of the European Union (EU). It is composed of the he ...
through the Open Method of Coordination and includes as participants the Eurozone
The euro area, commonly called the eurozone (EZ), is a Monetary union, currency union of 20 Member state of the European Union, member states of the European Union (EU) that have adopted the euro (Euro sign, €) as their primary currency ...
member states, plus Bulgaria, Denmark, Poland and Romania.
Related intergovernmental treaties
Although not formally part of European Union law
European Union law is a system of Supranational union, supranational Law, laws operating within the 27 member states of the European Union (EU). It has grown over time since the 1952 founding of the European Coal and Steel Community, to promote ...
, several closely related treaties have been signed outside the framework of the EU and its predecessors between the EU member states because the EU lacked authority to act in the field. After the EU obtained such autonomy, the conventions were gradually replaced by EU instruments. Examples are the Brussels Convention of 1968 (on jurisdiction in civil matters, replaced by the Brussels I Regulation), the Rome Convention on Contractual Obligations of 1980 (on choice of law in contractual matters, replaced by the Rome I Regulation except in Denmark
Denmark is a Nordic countries, Nordic country in Northern Europe. It is the metropole and most populous constituent of the Kingdom of Denmark,, . also known as the Danish Realm, a constitutionally unitary state that includes the Autonomous a ...
), the Dublin Convention of 1990 (on asylum seekers, replaced by the Dublin II Regulation) as well as the Europol
Europol, officially the European Union Agency for Law Enforcement Cooperation, is the law enforcement agency of the European Union (EU). Established in 1998, it is based in The Hague, Netherlands, and serves as the central hub for coordinating c ...
Convention of 1995 (came under the EU's competence with the Lisbon Treaty
The Treaty of Lisbon (initially known as the Reform Treaty) is a European agreement that amends the two Treaty, treaties which form the constitutional basis of the European Union (EU). The Treaty of Lisbon, which was signed by all Member stat ...
and replaced by a Council Decision.) Furthermore, several treaties have been concluded between a subset of EU member states due to a lack of unanimity. The Schengen Treaty was agreed to in 1985 in this manner, but was subsequently incorporated into EU law by the Amsterdam Treaty
The Treaty of Amsterdam, officially the Treaty of Amsterdam amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts, was signed on 2 October 1997, and entered into force on 1 May 1999; i ...
, with the remaining EU member states that had not signed the treaty being given an opt-out
The term opt-out refers to several methods by which individuals can avoid receiving unsolicited product or service information. This option is usually associated with direct marketing campaigns such as e-mail marketing or direct mail. A list of th ...
from implementing it. More recently, the Prüm Convention and European Fiscal Compact were signed as intergovernmental treaties. However, both state that the intention of the signatories is to incorporate the treaty's provisions into EU structures and that EU law should take precedence over the treaty. As well, both agreements are open to accession by any EU member state. The Treaty Establishing the European Stability Mechanism was also signed and entered into force outside of the EU framework. However, a TFEU amendment was ratified which gives the ESM a legal basis in the EU treaties.
Prüm Convention
The Prüm Convention, a treaty for cooperation in criminal matters signed on 27 May 2005 by Germany, Spain, France, Luxembourg, Netherlands, Austria, and Belgium, was adopted outside of EU structures, but it asserts European Union law
European Union law is a system of Supranational union, supranational Law, laws operating within the 27 member states of the European Union (EU). It has grown over time since the 1952 founding of the European Coal and Steel Community, to promote ...
takes precedence over its provisions (if they are incompatible) and that it is open to accession for any member state of the EU. Part of its provisions were later subsumed into European Union law by the ''Prüm Decision'' of 2008.
European Stability Mechanism
The European Stability Mechanism (ESM) is an intergovernmental organization
Globalization is social change associated with increased connectivity among societies and their elements and the explosive evolution of transportation and telecommunication technologies to facilitate international cultural and economic exchange. ...
located in Luxembourg City
Luxembourg (; ; ), also known as Luxembourg City ( or ; ; or ), is the capital city of Luxembourg and the Communes of Luxembourg, country's most populous commune. Standing at the confluence of the Alzette and Pétrusse rivers in southern Luxe ...
, which operate under public international law
International law, also known as public international law and the law of nations, is the set of Rule of law, rules, norms, Customary law, legal customs and standards that State (polity), states and other actors feel an obligation to, and generall ...
for all eurozone Member States having ratified a special ESM intergovernmental treaty. It was established when the intergovernmental treaty entered into force on 27 September 2012, as a permanent firewall for the eurozone
The euro area, commonly called the eurozone (EZ), is a Monetary union, currency union of 20 Member state of the European Union, member states of the European Union (EU) that have adopted the euro (Euro sign, €) as their primary currency ...
to safeguard and provide instant access to financial assistance programmes for member states of the eurozone in financial difficulty, with a maximum lending capacity of €500 billion. It replaced two earlier temporary EU funding programmes: the European Financial Stability Facility (EFSF) and the European Financial Stabilisation Mechanism (EFSM). All new bailouts of eurozone member states will be covered by ESM, while the EFSF and EFSM will continue to handle money transfers and program monitoring for bailouts previously approved for Ireland, Portugal and Greece. Upon its founding, all 17 eurozone member states ratified the agreement to become ESM members. According to the text of the treaty, the ESM is open to accession by any EU member state once their derogation from using the euro has been lifted by the Council of the European Union. New member states must first be approved by the ESM's Board of Governors, after which they would need to ratify to the Treaty Establishing the ESM. After Latvia's adoption of the euro on 1 January 2014 was given final approval by the Economic and Financial Affairs Council on 9 July, the ESM Board of Governors approved Latvia's membership application in October 2013. Latvia became the first state to accede to the ESM with formal membership starting on 13 March 2014, after having adopted the euro that January. Lithuania
Lithuania, officially the Republic of Lithuania, is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea, bordered by Latvia to the north, Belarus to the east and south, P ...
adopted the euro on 1 January 2015, and acceded to the ESM with formal membership starting on 3 February 2015. Croatia
Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the northeast, Serbia to the east, Bosnia and Herze ...
was the next state to accede effective 22 March 2023, subsequent to adopting the euro at the start of the year.
A separate treaty, amending Article 136 of the Treaty on the Functioning of the European Union
The Treaty on the Functioning of the European Union (TFEU) is one of two treaties forming the constitutional basis of the European Union (EU), the other being the Treaty on European Union (TEU). It was previously known as the Treaty Establish ...
(TFEU) to authorize the establishment of the ESM under EU law
European Union law is a system of Supranational union, supranational Law, laws operating within the 27 member states of the European Union (EU). It has grown over time since the 1952 founding of the European Coal and Steel Community, to promote ...
, entered into force on 1 May 2013. In June 2015, an updated EMU reform plan envisaged ESM should be transposed from being an intergovernmental agreement to become fully integrated into EU framework law in the medium-term (between July 2017 and 2025).
European Fiscal Compact
The European Fiscal Compact is an intergovernmental treaty dealing with fiscal integration that was signed by 25 member states
A member state is a state that is a member of an international organization or of a federation or confederation.
Since the World Trade Organization (WTO) and the International Monetary Fund (IMF) include some members that are not sovereign states ...
of 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 ...
(EU) (all except the Czech Republic and the United Kingdom; Croatia subsequently acceded to the EU in July 2013) on 2 March 2012. Although the European Fiscal Compact was negotiated between member states of the EU, it is not formally part of European Union law
European Union law is a system of Supranational union, supranational Law, laws operating within the 27 member states of the European Union (EU). It has grown over time since the 1952 founding of the European Coal and Steel Community, to promote ...
. It does, however, contain a provision to attempt to incorporate the pact into the Treaties establishing the European Union within five years of its entering into force. The treaty entered into force on 1 January 2013 for the 16 states which had completed their ratification. All nine other signatory states subsequently became parties to the treaty. Two non-eurozone member states, Denmark and Romania, have declared their intent to be bound by the fiscal provisions in the treaty (titles III and IV) upon ratification, and Bulgaria declared themselves bound by parts of these provision, while for the remaining non-eurozone states they will only apply from the date they adopt the euro. Latvia's adoption of the euro on 1 January 2014 and Lithuania's adoption of the euro on 1 January 2015 made them bound by the fiscal provision. Croatia, which acceded to the EU in July 2013, also acceded to the Fiscal Compact on 7 March 2018, as did the Czech Republic on 3 April 2019.
Unified Patent Court
After two regulations utilising enhanced cooperation to establish a European Union patent of unitary effect were approved for 25 participating states (all but Italy, Spain and Croatia, which subsequently acceded to the EU in July 2013) by the European Parliament
The European Parliament (EP) is one of the two legislative bodies of the European Union and one of its seven institutions. Together with the Council of the European Union (known as the Council and informally as the Council of Ministers), it ...
on 11 December 2012[ the documents were formally adopted as regulation E.U. 1257 and 1260 of 2012 on 17 December 2012, and entered into force in January 2013.][ The provisions apply since the accompanying Agreement on a Unified Patent Court entered into force on June 1, 2023. Due to a ruling by the ]Court of Justice of the European Union
The Court of Justice of the European Union (CJEU) ( or "''CJUE''"; Latin: Curia) is the Judiciary, judicial branch of the European Union (EU). Seated in the Kirchberg, Luxembourg, Kirchberg quarter of Luxembourg City, Luxembourg, this EU ins ...
that the proposed Unified Patent Court (UPC) was not compatible with European Union law
European Union law is a system of Supranational union, supranational Law, laws operating within the 27 member states of the European Union (EU). It has grown over time since the 1952 founding of the European Coal and Steel Community, to promote ...
, it was decided that the court would be established by an intergovernmental treaty between the participating states outside the framework of the EU. The Agreement on a Unified Patent Court was published by the Council of the European Union
The Council of the European Union, often referred to in the treaties and other official documents simply as the Council, and less formally known as the Council of Ministers, is the third of the seven institutions of the European Union (EU) a ...
on 11 January 2013, and was signed on 19 February 2013 by 24 EU member states, including all states participating in the enhanced cooperation measures except Bulgaria and Poland, while Italy, which did not originally join the enhanced cooperation measures but subsequently signed up, did sign the UPC agreement. The agreement is open for accession to all remaining EU member states, and Bulgaria signed the agreement on 5 March after finalizing their internal procedures. Meanwhile, Poland decided to wait to see how the new patent system works before joining due to concerns that it would harm their economy.[ States which do not participate in the unitary patent regulations can still become parties to the UPC agreement, which would allow the new court to handle European patents validated in the member state. Entry into force for the UPC for 17 member states took place on June 1, 2023 after 13 states (including Germany, France and Italy as the three states with the most patents in force) ratified the Unified Patent Court agreement.][ On 1 September 2024 Romania became the 18th member, following its ratification in May 2024.
]
Single Resolution Fund
President of the European Council, Herman Van Rompuy, released a report on 26 June 2012 which called for deeper integration in the eurozone
The euro area, commonly called the eurozone (EZ), is a Monetary union, currency union of 20 Member state of the European Union, member states of the European Union (EU) that have adopted the euro (Euro sign, €) as their primary currency ...
, including the establishment of a banking union encompassing direct recapitalisation of banks from the ESM, a common financial supervisor, a common bank resolution scheme and a deposit guarantee fund. The SSM Regulation was enacted through a regulation in October 2013. However, during negotiations for the Single Resolution Mechanism (SRM), which would be responsible for resolving failing banks and would establish a Single Resolution Fund (SRF) to fund their restructuring, concerns, especially by Germany, were raised that some of its provisions were incompatible with current EU treaties. As a result, the details of some aspects of the functioning of the SRF, including the transfer and mutualisation of funds from national authorities to the centralized fund, was split off from the Regulation to an Intergovernmental Agreement outside the framework of the EU.[ However, the treaty states that the intention of the signatories is to incorporate the treaty's provisions into EU structures within 10 years. The agreement was signed by 26 ]EU member states
The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe. The union has a total area of and an estimated population of over 449million as of 2024. The EU is often de ...
(all but Sweden and the United Kingdom) and is open to accession to any other EU member states.[ It entered into force on 1 January 2016, following the ratification by states representing 90% of the weighted vote of SSM and SRM participating states,][ but only to SSM and SRM participating states.][ As of February 2021, all eurozone states, and all EU member states except Denmark and Poland (which have both signed the agreement) and Sweden, have ratified the agreement. The ECB governing council decided on 24 June 2020 to establish a close cooperation agreement with the Bulgarian and Croatian central banks. The close cooperation agreements entered into force on 1 October 2020, at which point the SRF agreement applied to them.]
Table
See also
* Community method
The community method (also known as the Union method) refers to decision making processes in the European Union (EU) which emphasize the roles of the supranational decision making bodies such as the European Commission, the European Parliament and ...
* Differentiated integration
* European integration
European integration is the process of political, legal, social, regional and economic integration of states wholly or partially in Europe, or nearby. European integration has primarily but not exclusively come about through the European Union ...
and Agencies of the European Union
The European Union and Euratom have agencies, decentralised independent bodies, corporate bodies and joint undertakings which are established as juridical persons through secondary EU legislation and tasked with a specific narrow field of work. ...
with various examples of participation by non-EU states
*Interstate compact
In the United States, an interstate compact is a pact or agreement between two or more states, or between states and any foreign sub-national government.
Description
Most early interstate compacts resolved boundary disputes, but since the earl ...
* Mechanism for Cooperation and Verification
* Multi-speed Europe
* Open Method of Coordination
* Opt-outs in the European Union
In general, the law of the European Union is valid in all of the twenty-seven European Union member states. However, occasionally member states negotiate certain opt-outs from legislation or treaties of the European Union, meaning they do no ...
* Symbols of the European Union – adopted by a subset of EU member states
* 28th regime
Literature
* Hermann-Josef Blanke: ''Art. 20 EUV'', Kommentar, in: Grabitz/Hilf/Nettesheim (EL 42, September 2010)
References
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