Article 65
Procedure to be followed with respect to invalidity, termination,
withdrawal from or suspension of the operation of a treaty
1. A party which, under the provisions of the present Convention, invokes either a defect in its consent to be bound by a treaty or a ground for impeaching the validity of a treaty, terminating it,
withdrawing from it or suspending its operation, must notify the other parties of its claim. 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.
3. If, however, objection has been raised by any other party, the parties shall seek a solution through the means indicated in Article 33 of the Charter of the United Nations.
4. The notification or objection made by an international organization shall be governed by the rules of that organization. 5.Nothing in the foregoing paragraphs shall affect the rights or obligations of the parties under any provisions in force binding the parties with regard to the settlement of disputes.
6. Without prejudice to article 45, the fact that a State or an international organization has not previously made the notification prescribed in paragraph 1 shall not prevent it from making such notification in answer to another party claiming performance of the treaty or alleging its violation.
Article 66
Procedures for judicial settlement, arbitration and conciliation
1. If, under paragraph 3 of article 65, no solution has been reached within a period of twelve
months following the date on which the objection was raised, the procedures specified in the following paragraphs shall be followed.
2. With respect to a dispute concerning the application or the interpretation of article 53 or 64:
(a) if a State is a party to the dispute with one or more States, it may, by a written application, submit the dispute to the International Court of Justice for a decision;
(b) if a State is a party to the dispute to which one or more international organizations are parties, the State may, through a Member State of the United Nations if necessary, request the General Assembly or the Security Council or, where appropriate, the competent organ of an international organization which is a party to the dispute and is authorized in accordance with Article 96 of the Charter of the United Nations, to request an advisory opinion of the International Court of Justice in accordance with Article 65 of the Statute of the Court;
