Article 56

Denunciation of or withdrawal from a treaty containing no provision regarding

termination, denunciation or withdrawal

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.

Article 57

Suspension ofthe operation of a treaty under its provisions or by consent ofthe parties

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

b) at any time by consent of all the parties after consultation with the

contracting States and contracting organizations.

Article 58

Suspension of the operation of a multilateral treaty by agreement between certain of the

parties only

1. Two or more parties to a multilateral treaty may conclude an agreement to suspend

the operation of provisions of the treaty, temporarily and as between themselves

alone, if:

a) the possibility of such a suspension is provided for by the treaty; or

b) the suspension in question is not prohibited by the treaty and:

i) does not affect the enjoyment by the other parties of their rights under

the treaty or the performance of their obligations;

ii) is not incompatible with the object and purpose of the treaty.

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