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Meaning of opinio juris sive necessitatis | Babel Free

Phrase CEFR C2

Definitions

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.

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
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