76. Accession.

76.     Accession.

Where a treaty1 is already in force between two or more states, another state which wishes to become a party to it may do so by accession. Its consent to be bound by a treaty is expressed by accession when: (1) the treaty provides that such consent may be expressed by that state by means of accession2; (2) it is otherwise established that the negotiating states3 were agreed that such consent may be expressed by that state by means of accession4; or (3) all the parties have subsequently agreed that such