Article 66 Vienna Convention on the Law of Treaties

Procedures for judicial settlement, arbitration and conciliation

If, under paragraph 3 of article 65, no solution has been reached within a period of 12 months following the date on which the objection was raised, the following procedures shall be followed:

(a) any one of the parties to a dispute concerning the application or the interpretation of article 53 or 64 may, by a written application, submit it to the International Court of Justice for a decision unless the parties by common consent agree to submit the dispute to arbitration;

(b) any one of the parties to a dispute concerning the application or the interpretation of any of the other articles in part V of the present Convention may set in motion the procedure specified in the Annex to the Convention by submitting a request to that effect to the Secretary-General of the United Nations.

See also: Article 65 Vienna Convention on the Law of Treaties