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SOURCES (Custom (Composition ((2) Opinio Juris psychological or…
SOURCES (Custom , Jus Cogens norms: substantive rules of higher status (peremptory norms). Defined as accepted and recognized by the international community as whole as a norm form which no derogation is permitted and which can be modified only by the norm of the same character , Obligations erga omnes: the scope of obligation that is the extent to which certain norm applies to all states (1) Certain obligations concern all states (2) Rights involved are so important that all states have the interest in protecting them , Treaties: direct form of international law creation, Others , Cross-Connotations:(1) Custom leads to the Treaty , General Principles of law , Differences: (1) Treaties are written/Custom is not written (2) Treaties are in most cases binding upon contracting parties/ Custom binds all states (who did not oppose) (3) Treaties comprise of contractual norms/ Custom represents systemic norms )