Article 14 Vienna Convention on the Law of Treaties

Consent to be bound by a treaty expressed by ratification, acceptance or approval

The consent of a State to be bound by a treaty is expressed by ratification when:

(a) the treaty provides for such consent to be expressed by means of ratification;

(b) it is otherwise established that the negotiating States were agreed that ratification should be required;

(c) the representative of the State has signed the treaty subject to ratification; or

(d) the intention of the State to sign the treaty subject to ratification appears from the full powers of its representative or was expressed during the negotiation.

2. The consent of a State to be bound by a treaty is expressed by acceptance or approval under conditions similar to those which apply to ratification.

See also: Article 13 Vienna Convention on the Law of Treaties