Until the date on which this Convention comes into force in accordance with the provisions of Article XIII, it shall remain open for signature on behalf of any State which at that date is a Member of the United Nations or of any of the Specialised Agencies.

Article XII

(1) This Convention shall be subject to ratification by the signatory States.

(2) The instruments of ratification shall be deposited with the Government of the United States of Mexico.

Article XIV

(1) This Convention shall, after it has come into force, be open for accession by any State Member of the United Nations or of any of the Specialised Agencies.

(2) The accession of a State shall be effected by the deposit of an instrument of accession with the Government of the United States of Mexico and shall take effect as from the ninetieth day after the date of such deposit.

ENTRY INTO FORCE

Article XIII

(1) As soon as five of the signatory States have deposited their instruments of ratification of this Convention, it shall come into force between them on the ninetieth day after the date of the deposit of the fifth instrument of ratification. It shall come into force for each State ratifying thereafter on the ninetieth day after the deposit of its instrument of ratification.

(2) As soon as this Convention comes into force, it shall be registered with the United Nations and the International Civil Organisation by the Government of the United States of Mexico.

DENUNCIATION

Article XV

(1) Any Contracting State may denounce this Convention by notification addressed to the Government of the United States of Mexico.

(2) Denunciation shall take effect six months after the date of receipt by the Government of the United States of Mexico of the notification of denunciation.

RESERVATIONS

Article XVII

No reservations may be made to this Convention.

TERRITORIAL APPLICATION

Article XVI

(1) Any Contracting State may at the time of its ratification of or accession to this Convention or at any time thereafter declare by notification to the Government of the United States of Mexico that the Convention shall extend to any of the territories for whose international relations it is responsible.

(2) The Convention shall, ninety days after the date of the receipt of such notification by the Government of the United States of Mexico, extend to the territories named therein.

(3) Any Contracting State may denounce this Convention, in accordance with the provisions of Article XV, separately for any or all of the territories for the international relations of which such State is responsible.