3. Any declaration made under the two preceding paragraphs may, in respect of any territory specified in such declaration, be withdrawn or modified by a notification addressed to the Secretary General. The withdrawal or modification shall become effective on the first day of the month following the expiration of a period of three months after the date of receipt of such notification by the Secretary General. 2. In respect of any member State which subsequently expresses its consent to be bound by it, the Protocol shall enter into force on the first day of the month following the expiration of a period of three months after the date of the deposit of the instrument of ratification, acceptance or approval. ARTICLE 8 ARTICLE 5 Depositary functions Relationship to the Convention The Secretary General of the Council of Europe shall notify all the member States of the Council of Europe of: As between the States Parties the provisions of Articles 1 to 4 of this Protocol shall be regarded as additional Articles to the Convention, and all the provisions of the Convention shall apply accordingly. ARTICLE 6 Signature and ratification This Protocol shall be open for signature by member States of the Council of Europe which have signed the Convention. It is subject to ratification, acceptance or approval. A member State of the Council of Europe may not ratify, accept or approve this Protocol without previously or simultaneously ratifying the Convention. Instruments of ratification, acceptance or approval shall be deposited with the Secretary General of the Council of Europe. ARTICLE 7 (a) any signature; (b) the deposit of any instrument of ratification, acceptance or approval; (c) any date of entry into force of this Protocol in accordance with Articles 4 and 7; (d) any other act, notification or communication relating to this Protocol. In witness whereof the undersigned, being duly authorised thereto, have signed this Protocol. done at vilnius, this 3rd day of may 2002, in English and in French, both texts being equally authentic, in a single copy which shall be deposited in the archives of the Council of Europe. The Secretary General of the Council of Europe shall transmit certified copies to each member State of the Council of Europe. Entry into force 1. This Protocol shall enter into force on the first day of the month following the expiration of a period of three months after the date on which ten member States of the Council of Europe have expressed their consent to be bound by the Protocol in accordance with the provisions of Article 6. 56 57