Parties shall still be bound by the provisions of this Protocol and any earlier amendments that they have ratified, accepted or approved. Article 24. Denunciation 1. A State Party may denounce this Protocol by written notification to the Secretary-General of the United Nations. Such denunciation shall become effective one year after the date of receipt of the notification by the SecretaryGeneral. 2. A regional economic integration organization shall cease to be a Party to this Protocol when all of its member States have denounced it. Article 25. Depositary and languages 1. The Secretary-General of the United Nations is designated depositary of this Protocol. 2. The original of this Protocol, 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 plenipotentiaries, being duly authorized thereto by their respective Governments, have signed this Protocol. 67