Part III

Article 17

1. This Convention is open for signature by any State Member of the United Nations or member of any of its specialized agencies, by any State Party to the Statute of the International Court of Justice, and by any other State which has been invited by the General Assembly of the United Nations to become a Party to this Convention.

2. This Convention is subject to ratification. Instruments of ratification shall be deposited with the Secretary-General of the United Nations.

Article 18

1. This Convention shall be open to accession by any State referred to in article 17, paragraph 1, of the Convention. 2. Accession shall be effected by the deposit of an instrument of accession with the Secretary-General of the United Nations.

Article 19

1. This Convention shall enter into force on the thirtieth day after the date of the deposit with the Secretary-General of the United Nations of the twenty-seventh instrument of ratification or instrument of accession.

2. For each State ratifying this Convention or acceding to it after the deposit of the twenty-seventh instrument of ratification or instrument of accession, the Convention shall enter into force on the thirtieth day after the date of the deposit of its own instrument of ratification or instrument of accession.

Article 20

1. The Secretary-General of the United Nations shall receive and circulate to all States which are or may become Parties to this Convention reservations made by States at the time of ratification or accession. Any State which objects to the reservation shall, within a period of ninety days from the date of the said communication, notify the Secretary-General that it does not accept it.

2. A reservation incompatible with the object and purpose of this Convention shall not be permitted, nor shall a reservation the effect of which would inhibit the operation of any of the bodies established by this Convention be allowed. A reservation shall be considered incompatible or inhibitive if at least two thirds of the States Parties to this Convention object to it.

3. Reservations may be withdrawn at any time by notification to this effect addressed to the Secretary-General. Such notification shall take effect on the date on which it is received.

Article 21

A State Party may denounce this Convention by written notification to the Secretary-General of the United Nations. Denunciation shall take effect one year after the date of receipt of the notification by the Secretary General.

Article 22

Any dispute between two or more States Parties with respect to the interpretation or application of this Convention, which is not settled by negotiation or by the procedures expressly provided for in this Convention, shall, at the request of any of the parties to the dispute, be referred to the International Court of Justice for decision, unless the disputants agree to another mode of settlement.

Article 23

1. A request for the revision of this Convention may be made at any time by any State Party by means of a notification in writing addressed to the Secretary-General of the United Nations.

2. The General Assembly of the United Nations shall decide upon the steps, if any, to be taken in respect of such a request.

Article 24

The Secretary-General of the United Nations shall inform all States referred to in article 17, paragraph 1, of this Convention of the following particulars:

(a) Signatures, ratifications and accessions under articles 17 and 18;

(b) The date of entry into force of this Convention under article 19;

(c) Communications and declarations received under articles 14, 20 and 23;

(d) Denunciations under article 21.

Article 25

1. This Convention, of which the Chinese, English, French, Russian and Spanish texts are equally authentic, shall be deposited in the archives of the United Nations.

2. The Secretary-General of the United Nations shall transmit certified copies of this Convention to all States belonging to any of the categories mentioned in article 17, paragraph 1, of the Convention.