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Article XVI - Duration and Withdrawal 

1. This Convention shall be of unlimited duration.

2. Each State Party shall, in exercising its national sovereignty, have the right to withdraw from this Convention if it decides that extraordinary events, related to the subject-matter of this Convention, have jeopardized the supreme interests of its country. It shall give notice of such withdrawal 90 days in advance to all other States Parties, the Executive Council, the Depositary and the United Nations Security Council. Such notice shall include a statement of the extraordinary events it regards as having jeopardized its supreme interests.

3. The withdrawal of a State Party from this Convention shall not in any way affect the duty of States to continue fulfilling the obligations assumed under any relevant rules of international law, particularly the Geneva Protocol of 1925.

Article XVII - Status of the Annexes

  The Annexes form an integral part of this Convention. Any reference to this Convention includes the Annexes.

Article XVIII - Signature

  This Convention shall be open for signature for all States before its entry into force.

Article XIX - Ratification

  This Convention shall be subject to ratification by States Signatories according to their respective constitutional processes.

Article XX - Accession

  Any State which does not sign this Convention before its entry into force may accede to it at any time thereafter.

Article XXI - Entry Into Force

  1. This Convention shall enter into force 180 days after the date of the deposit of the 65th instrument of ratification, but in no case earlier than two years after its opening for signature.

2. For States whose instruments of ratification or accession are deposited subsequent to the entry into force of this Convention, it shall enter into force on the 30th day following the date of deposit of their instrument of ratification or accession.


Article XXII - Reservations

  The Articles of this Convention shall not be subject to reservations. The Annexes of this Convention shall not be subject to reservations incompatible with its object and purpose.

Article XXIII - Depositary

  The Secretary-General of the United Nations is hereby designated as the Depositary of this Convention and shall, inter alia:

(a) Promptly inform all signatory and acceding States of the date of each signature, the date of deposit of each instrument of ratification or accession and the date of the entry into force of this Convention, and of the receipt of other notices;

(b) Transmit duly certified copies of this Convention to the Governments of all signatory and acceding States; and

(c) Register this Convention pursuant to Article 102 of the Charter of the United Nations.

Article XXIV - Authentic Texts

  This Convention, of which the Arabic, Chinese, English, French, Russian and Spanish texts are equally authentic, shall be deposited with the Secretary-General of the United Nations.

IN WITNESS WHEREOF the undersigned, being duly authorized to that effect, have signed this Convention.

Done at Paris on the thirteenth day of January, one thousand nine hundred and ninety-three.
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