Page:Vienna Convention on the Law of Treaties between States and International Organizations or Between International Organizations (1986).djvu/6



The present Convention applies to any treaty between one or more States and one or more international organizations which is the constituent instrument of an international organization and to any treaty adopted within an international organization, without prejudice to any relevant rules of the organization.

The capacity of an international organization to conclude treaties is governed by the rules of that organization.

1. A person is considered as representing a State for the purpose of adopting or authenticating the text of a treaty or for the purpose of expressing the consent of the State to be bound by a treaty if:

(a) that person produces appropriate full powers; or

(b) it appears from practice or from other circumstances that it was the intention of the States and international organizations concerned to consider that person as representing the State for such purposes without having to produce full powers.

2.In virtue of their functions and without having to produce full powers, the following are considered as representing their State:

(a) Heads of State, Heads of Government and Ministers for Foreign Affairs, for the purpose of performing all acts relating to the conclusion of a treaty between one or more States and one or more international organizations;

(b) representatives accredited by States to an international conference, for the purpose of adopting the text of a treaty between States and international organizations;

(c) representatives accredited by States to an international organization or one of its organs, for the purpose of adopting the text of a treaty in that organization or organ;

(d) heads of permanent missions to an international organization, for the purpose of adopting the text of a treaty between the accrediting States and that organization.