Alternative [The Committee shall hold meetings to exercise its functions under this Protocol, in addition to its meetings held under article 20 of the Convention. The duration of such meetings shall be determined, and reviewed, if necessary, by a meeting of the States Parties to the Protocol, subject to the approval of the General Assembly.] Article 17 1. This Protocol shall be open for signature by any State which has signed, acceded to or ratified the Convention. 2. This Protocol shall be subject to ratification by any State which has ratified or acceded to the Convention. Instruments of ratification shall be deposited with the Secretary-General of the United Nations. 3. This Protocol shall be open to accession by any State which has ratified or acceded to the Convention. 4. Accession shall be effected by the deposit of an instrument of accession with the Secretary-General of the United Nations. Article 18 1. This Protocol shall enter into force three months after the date of the deposit with the Secretary-General of the United Nations of the [fifth] [tenth] [twentieth] instrument of ratification or accession. 2. For each State ratifying this Protocol or acceding to it after its entry into force, this Protocol shall enter into force three months after the date of the deposit of its own instrument of ratification or accession. Article 19 [The provisions of this Protocol shall extend to [all parts of federal States and to all territories subject to] the jurisdiction of a State Party without any limitations or exceptions.] Article 20 [No reservations to this Protocol shall be permitted.] Alternative [Reservations to this Protocol shall be permitted, unless such a reservation is incompatible with the object and purpose of the present Protocol and the Convention, in accordance with the rules of international law.] -94-