2. majority of two thirds of the States Parties present and voting shall be submitted by the SecretaryGeneral to the General Assembly for approval and thereafter to all States Parties for acceptance. An amendment adopted and approved in  accordance with paragraph 1 of the present article shall enter into force on the thirtieth day after the number of instruments of acceptance deposited reaches two thirds of the number of States Parties at the date of adoption of the amendment. Thereafter, the amendment shall enter into force for any State Party on the thirtieth day following the deposit of its own instrument of acceptance. An amendment shall be binding only on those States Parties which have accepted it. Article 20 Denunciation 1. 2.  ny State Party may denounce the present Protocol A at any time by written notification addressed to the Secretary-General of the United Nations. Denunciation shall take effect six months after the date of receipt of the notification by the SecretaryGeneral. Denunciation shall be without prejudice to the continued application of the provisions of the present Protocol to any communication submitted under articles 2 and 10 or to any procedure initiated under article 11 before the effective date of denunciation. 36 Article 21 Notification by the Secretary-General 1.  he Secretary-General of the United Nations shall T notify all States referred to in article 26, paragraph 1, of the Covenant of the following particulars: (a) Signatures, ratifications and accessions under the present Protocol; (b) The date of entry into force of the present Protocol and of any amendment under article 19; (c) Any denunciation under article 20. Article 22 Official languages 1. 2.  he present Protocol, of which the Arabic, Chinese, T English, French, Russian and Spanish texts are equally authentic, shall be deposited in the archives of the United Nations. The Secretary-General of the United Nations shall transmit certified copies of the present Protocol to all States referred to in article 26 of the Covenant. 37

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