Protocol 4. Protecting certain Additional Rights 
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 thereof, the undersigned, being duly authorised thereto, have signed this Protocol.
Done at Strasbourg, this 16th day of September 1963, in English and French, both texts being equally authentic, 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.