“ Impossibility of performance may not be invoked by a party as a ground for terminating, withdrawing from or suspending the operation of a treaty if the impossibility is the result of a breach by that party either of an obligation under the treaty or of any other international obligation owed to any other party to the treaty. ”

“ A right arises for a third State from a provision of a treaty if the parties to the treaty intend the provision to accord that right either to the third State, or to a group of States to which it belongs, or to all States, and the third State assents thereto. Its assent shall be presumed so long as the contrary is not indicated, unless the treaty otherwise provides.
2. A State exercising a right in accordance with paragraph 1 shall comply with the conditions for its exercise provided for in the treaty or established in conformity with the treaty. ”

“ If acts have nevertheless been performed in reliance on such a treaty:
(a) each party may require any other party to establish as far as possible in their mutual relations the position that would have existed if the acts had not been performed; (b) acts performed in good faith before the invalidity was invoked are not rendered unlawful by reason only of the invalidity of the treaty. 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. ”

“ Every State entitled to become a party to the treaty shall also be entitled to become a party to the treaty as amended.
4. The amending agreement does not bind any State already a party to the treaty which does not become a party to the amending agreement; article 30, paragraph 4 (b) , applies in relation to such State.
5. Any State which becomes a party to the treaty after the entry into force of the amending agreement shall, failing an expression of a different intention by that State:
(a) be considered as a party to the treaty as amended ”

“ Where an error is discovered in a certified copy of a treaty, the depositary shall execute a procŠs-verbal specifying the rectification and communicate a copy of it to the signatory States and to the contracting Slates.
Article 80 — Registration and publication of treaties 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.
2. The designation of a depositary shall constitute authorization for it to perform the acts specified in the preceding paragraph. ”

“ Article 10 — Authentication of the text The text of a treaty is established as authentic and definitive:
(a) by such procedure as may be provided for in the text or agreed upon by the States participating in its drawing up; or (b) failing such procedure, by the signature, signature ad referendum or initialling by the representatives of those States of the text of the treaty or of the Final Act of a conference incorporating the text. ”

“ The notification shall indicate the measure proposed to be taken with respect to the treaty and the reasons therefor.
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. ”