''Par in parem non habet imperium'' (

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

for "equals have no sovereignty over each other") is a general principle of

international law International law (also known as public international law and the law of nations) is the set of rules, norms, and standards generally recognized as binding between states. It establishes normative guidelines and a common conceptual framework for ...

, forming the basis of

state immunity The doctrine and rules of state immunity concern the protection which a state is given from being sued in the courts of other states. The rules relate to legal proceedings in the courts of another state, not in a state's own courts. The rules deve ...

. Because of this principle, a sovereign state cannot exercise jurisdiction over another sovereign state.

References

Brocards (law) International law Legal rules with Latin names {{international-law-stub