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ARTICLE-2: Use of terms     [go to this ARTICLE]
... (b) “ratification”, “acceptance”, “approval” and “accession” mean in each case the international act so named whereby a State establishes on the international plane its consent to be bound by a treaty; ...


ARTICLE-19: Formulation of reservations     [go to this ARTICLE]
... (c) in cases not falling under sub-paragraphs (a) and (b), the reservation is incompatible with the object and purpose of the treaty. ...


ARTICLE-20: Acceptance of and objection to reservations     [go to this ARTICLE]
... 4. In cases not falling under the preceding paragraphs and unless the treaty otherwise provides: ...


ARTICLE-23: Procedure regarding reservations     [go to this ARTICLE]
... 2. If formulated when signing the treaty subject to ratification, acceptance or approval, a reservation must be formally confirmed by the reserving State when expressing its consent to be bound by the treaty. In such a case the reservation shall be considered as having been made on the date of its confirmation. ...


ARTICLE-33: Interpretation of treaties authenticated in two or more languages     [go to this ARTICLE]
... 1. When a treaty has been authenticated in two or more languages, the text is equally authoritative in each language, unless the treaty provides or the parties agree that, in case of divergence, a particular text shall prevail. ...


ARTICLE-41: Agreements to modify multilateral treaties between certain of the parties only     [go to this ARTICLE]
... 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. ...


ARTICLE-44: Separability of treaty provisions     [go to this ARTICLE]
... 4. In cases falling under articles 49 and 50 the State entitled to invoke the fraud or corruption may do so with respect either to the whole treaty or, subject to paragraph 3, to the particular clauses alone. ...
... 5. In cases falling under articles 51, 52 and 53, no separation of the provisions of the treaty is permitted. ...


ARTICLE-45: Loss of a right to invoke a ground for invalidating, terminating, withdrawing from or suspending the operation of a treaty     [go to this ARTICLE]
... (a) it shall have expressly agreed that the treaty is valid or remains in force or continues in operation, as the case may be; or ...
... (b) it must by reason of its conduct be considered as having acquiesced in the validity of the treaty or in its maintenance in force or in operation, as the case may be. ...


ARTICLE-58: Suspension of the operation of a multilateral treaty by agreement between certain of the parties only     [go to this ARTICLE]
... 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-65: Procedure to be followed with respect to invalidity, termination, withdrawal from or suspension of the operation of a treaty     [go to this ARTICLE]
... 2. If, after the expiry of a period which, except in cases of special urgency, shall not be less than three months after the receipt of the notification, no party has raised any objection, the party making the notification may carry out in the manner provided in article 67 the measure which it has proposed. ...


ARTICLE-69: Consequences of the invalidity of a treaty     [go to this ARTICLE]
... 3. In cases falling under articles 49, 50, 51 or 52, paragraph 2 does not apply with respect to the party to which the fraud, the act of corruption or the coercion is imputable. ...
... 4. In the case of the invalidity of a particular State's consent to be bound by a multilateral treaty, the foregoing rules apply in the relations between that State and the parties to the treaty. ...


ARTICLE-71: Consequences of the invalidity of a treaty which conflict with a peremptory norm of general international law     [go to this ARTICLE]
... 1. In the case of a treaty which is void under article 53 the parties shall: ...
... 2. In the case of a treaty which becomes void and terminates under article 64, the termination of the treaty: ...


ARTICLE-73: Cases of State succession, State responsibility and outbreak of hostilities     [go to this ARTICLE]
... Cases of State succession, State responsibility and outbreak of hostilities ...


ARTICLE-75: Case of an aggressor State     [go to this ARTICLE]
... Case of an aggressor State ...


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; ...


ARTICLE-79: Correction of errors in texts or in certified copies of treaties     [go to this ARTICLE]
... (c) by executing a corrected text of the whole treaty by the same procedure as in the case of the original text. ...


ARTICLE-80: Registration and publication of treaties     [go to this ARTICLE]
... 1. Treaties shall, after their entry into force, be transmitted to the Secretariat of the United Nations for registration or filing and recording, as the case may be, and for publication. ...