Article 20 Notification The depositary shall notify the signatory and acceding States of: (a) all signatures of the Convention; (b) the deposit of any instrument of ratification, acceptance, approval or accession; (c) the entry into force of the Convention, pursuant to either paragraph 1 or paragraph 2 of Article 16; (d) the adoption and entry into force of any amendment to the Convention or to the Annexes thereto; (e) any denunciation of the Convention, or any loss of membership status in EUMETSAT; (f) the dissolution of EUMETSAT.