Customary law

Definition

Customary law consists of established patterns of behavior that are accepted as legal requirements or norms in a particular social, cultural, or international context. It is recognized by courts and forms part of the legal system, particularly in the realm of international law where it guides relations and conduct between states.

Related terms

International Law:

A body of rules established by treaty or custom which is recognized as binding between nations.

Treaty: A formal agreement between two or more sovereign states that is recognized and enforceable under international law.

Sovereignty:

The authority of a state to govern itself or another state, including the making and enforcing of laws within its territory