Artikel 17

1. Any State may, at the time of signing this Agreement or of depositing its instrument of ratification or accession or at any time thereafter, declare by notification addressed to the Secretary-General of the United Nations that the validity of the Agreement shall be extended to all or any of the territories for the international relations of which it is responsible. The Agreement shall apply to the territory or territories named in the notification as from the one hundred and eightieth day after receipt of the notification by the Secretary-General or, if on that day the Agreement has not yet entered into force, as from the date of its entry into force.
2. Any State which has made a declaration under the preceding paragraph making this Agreement applicable to a territory for whose international relations it is responsible may denounce the Agreement separately in respect of that territory in conformity with the provisions of article 15 hereof.