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... Affirming that the rules of customary international law will continue to govern questions not regulated by the provisions of the present Convention, ...


ARTICLE-19: Formulation of reservations     [go to this ARTICLE]
... (b) the treaty provides that only specified reservations, which do not include the reservation in question, may be made; or ...


ARTICLE-30: Application of successive treaties relating to the same subject-matter     [go to this ARTICLE]
... 5. Paragraph 4 is without prejudice to article 41, or to any question of the termination or suspension of the operation of a treaty under article 60 or to any question of responsibility which may arise for a State from the conclusion or application of a treaty the provisions of which are incompatible with its obligations towards another State under another treaty. ...
... 5. Paragraph 4 is without prejudice to article 41, or to any question of the termination or suspension of the operation of a treaty under article 60 or to any question of responsibility which may arise for a State from the conclusion or application of a treaty the provisions of which are incompatible with its obligations towards another State under another treaty. ...


ARTICLE-41: Agreements to modify multilateral treaties between certain of the parties only     [go to this ARTICLE]
... (b) the modification in question is not prohibited by the treaty and: ...
... 2. Unless in a case falling under paragraph 1(a) the treaty otherwise provides, the parties in question shall notify the other parties of their intention to conclude the agreement and of the modification to the treaty for which it provides. ...


... 2. Paragraph 1 shall not apply if the State in question contributed by its own conduct to the error or if the circumstances were such as to put that State on notice of a possible error. ...


ARTICLE-58: Suspension of the operation of a multilateral treaty by agreement between certain of the parties only     [go to this ARTICLE]
... (b) the suspension in question is not prohibited by the treaty and: ...
... 2. Unless in a case falling under paragraph 1(a) the treaty otherwise provides, the parties in question shall notify the other parties of their intention to conclude the agreement and of those provisions of the treaty the operation of which they intend to suspend. ...


ARTICLE-73: Cases of State succession, State responsibility and outbreak of hostilities     [go to this ARTICLE]
... The provisions of the present Convention shall not prejudge any question that may arise in regard to a treaty from a succession of States or from the international responsibility of a State or from the outbreak of hostilities between States. ...


ARTICLE-77: Functions of depositaries     [go to this ARTICLE]
... (d) examining whether the signature or any instrument, notification or communication relating to the treaty is in due and proper form and, if need be, bringing the matter to the attention of the State in question; ...
... 2. In the event of any difference appearing between a State and the depositary as to the performance of the latter's functions, the depositary shall bring the question to the attention of the signatory States and the contracting States or, where appropriate, of the competent organ of the international organization concerned. ...


ARTICLE-78: Notifications and communications     [go to this ARTICLE]
... (b) be considered as having been made by the State in question only upon its receipt by the State to which it was transmitted or, as the case may be, upon its receipt by the depositary; ...