1. This Protocol shall be open for signature by the members of the Council of Europe who are the signatories of the Convention; it shall be ratified at the same time as or after the ratification of the Convention. It shall enter into force after the deposit of five instruments of ratification. As regards any signatory ratifying subsequently, the Protocol shall enter into force at the date of the deposit of its instrument of ratification.
2. The instruments of ratification shall be deposited with the Secretary General of the Council of Europe, who will notify all members of the names of those who have ratified.

In witness whereof the undersigned, being duly authorised thereto, have signed this Protocol.

Done at Strasbourg, this 16th day of September 1963, in English and in French, both texts being equally authoritative, in a single copy which shall remain deposited in the archives of the Council of Europe. The Secretary General shall transmit certified copies to each of the signatory States.