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ARTICLE-53: Treaties conflicting with a peremptory norm of general international law (jus cogens)     [go to this ARTICLE]
... Treaties conflicting with a peremptory norm of general international law (jus cogens) ...
... A treaty is void if, at the time of its conclusion, it conflicts with a peremptory norm of general international law. For the purposes of the present Convention, a peremptory norm of general international law is a norm accepted and recognized by the international community of States as a whole as a norm from which no derogation is permitted and which can be modified only by a subsequent norm of general international law having the same character. ...
... A treaty is void if, at the time of its conclusion, it conflicts with a peremptory norm of general international law. For the purposes of the present Convention, a peremptory norm of general international law is a norm accepted and recognized by the international community of States as a whole as a norm from which no derogation is permitted and which can be modified only by a subsequent norm of general international law having the same character. ...
... A treaty is void if, at the time of its conclusion, it conflicts with a peremptory norm of general international law. For the purposes of the present Convention, a peremptory norm of general international law is a norm accepted and recognized by the international community of States as a whole as a norm from which no derogation is permitted and which can be modified only by a subsequent norm of general international law having the same character. ...
... A treaty is void if, at the time of its conclusion, it conflicts with a peremptory norm of general international law. For the purposes of the present Convention, a peremptory norm of general international law is a norm accepted and recognized by the international community of States as a whole as a norm from which no derogation is permitted and which can be modified only by a subsequent norm of general international law having the same character. ...
... A treaty is void if, at the time of its conclusion, it conflicts with a peremptory norm of general international law. For the purposes of the present Convention, a peremptory norm of general international law is a norm accepted and recognized by the international community of States as a whole as a norm from which no derogation is permitted and which can be modified only by a subsequent norm of general international law having the same character. ...


ARTICLE-64: Emergence of a new peremptory norm of general international law (jus cogens)     [go to this ARTICLE]
... Emergence of a new peremptory norm of general international law (jus cogens) ...
... If a new peremptory norm of general international law emerges, any existing treaty which is in conflict with that norm becomes void and terminates. ...
... If a new peremptory norm of general international law emerges, any existing treaty which is in conflict with that norm becomes void and terminates. ...


ARTICLE-71: Consequences of the invalidity of a treaty which conflict with a peremptory norm of general international law     [go to this ARTICLE]
... Consequences of the invalidity of a treaty which conflict with a peremptory norm of general international law ...
... (a) eliminate as far as possible the consequences of any act performed in reliance on any provision which conflicts with the peremptory norm of general international law; and ...
... (b) bring their mutual relations into conformity with the peremptory norm of general international law. ...
... (b) does not affect any right, obligation or legal situation of the parties created through the execution of the treaty prior to its termination; provided that those rights, obligations or situations may thereafter be maintained only to the extent that their maintenance is not in itself in conflict with the new peremptory norm of general international law. ...