(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.
2. Unless in a case falling under paragraph 1 (a) the treaty otherwise provides, the parties in question shall notify the other parties of their intention to conclude the agreement and of those provisions of the treaty the operation of which they intend to suspend.
Article 59
Termination or suspension of the operation of a treaty
implied by conclusion of a later treaty
1. A treaty shall be considered as terminated if all the parties to it conclude a later treaty relating to the same subject matter and:
(a) it appears from the later treaty or is otherwise established that the parties intended that the matter should be governed by that treaty; or
(b) the provisions of the later treaty are so far incompatible with those of the earlier one that the two treaties are not capable of being applied at the same time.
2. The earlier treaty shall be considered as only suspended in operation if it appears from the later treaty or is otherwise established that such was the intention of the parties.
Article 60
Termination or suspension of the operation of a treaty
as a consequence of its breach
1. A material breach of a bilateral treaty by one of the parties entitles the other to invoke the breach as a ground for terminating the treaty or suspending its operation in whole or in part.
2. A material breach of a multilateral treaty by one of the parties entitles:
