Page:Vienna Convention on the Law of Treaties between States and International Organizations or Between International Organizations (1986).djvu/24

 international law is a norm accepted and recognized by the international community of States as a whole as a norm from which no derogation is permitted and which can be modified only by a subsequent norm of general international law having the same character.

The termination of a treaty or the withdrawal of a party may take place:

(a) in conformity with the provisions of the treaty; or

(b) at any time by consent of all the parties after consultation with the contracting States and contracting organizations.

Unless the treaty otherwise provides, a multilateral treaty does not terminate by reason only of the fact that the number of the parties falls below the number necessary for its entry into force.

1. A treaty which contains no provision regarding its termination and which does not provide for denunciation or withdrawal is not subject to denunciation or withdrawal unless:

(a) it is established that the parties intended to admit the possibility of denunciation or withdrawal; or

(b) a right of denunciation or withdrawal may be implied by the nature of the treaty.

2. A party shall give not less than twelve months' notice of its intention to denounce or withdraw from a treaty under paragraph 1.

The operation of a treaty in regard to all the parties or to a particular party may be suspended:

(a) in conformity with the provisions of the treaty; or