English Dictionary

opinio juris sive necessitatis

phrase

The principle of international law where states believe or accept that a practice exists and must be followed because of a rule of law requiring it, to the extent that it becomes part of the body of norms known as international Customary Law.

Opinio juris sive necessitatis is a Latin phrase used in international law.

意味（1）

The principle of international law where states believe or accept that a practice exists and must be followed because of a rule of law requiring it, to the extent that it becomes part of the body of norms known as international Customary Law.