Article 78 Vienna Convention on the Law of Treaties

Notifications and communications

1. Except as the treaty or the present Convention otherwise provide, any notification or communication to be made by any State under the present Convention shall:

(a) if there is no depositary, be transmitted direct to the States for which it is intended, or if there is a depositary, to the latter;

(b) be considered as having been made by the State in question only upon its receipt by the State to which it was transmitted or, as the case may be, upon its receipt by the depositary;

(c) if transmitted to a depositary, be considered as received by the State for which it was intended only when the latter State has been informed by the depositary in accordance with article 77, paragraph 1 (e).

See also: Article 77 Vienna Convention on the Law of Treaties