1. This Convention shall be ratified by the signatory States. The instruments of ratification shall be deposited with the depositary which shall notify all other signatory States.
2. This Convention shall enter into force four months after deposit of the fourth instrument of ratification. In relation to any other signatory State depositing subsequently its instrument of ratification this Convention shall enter into force two months after the date of deposit but not before the expiry of the above-mentioned period of four months.
In witness thereof the undersigned, duly authorised thereto, have signed the present Convention.
Done in Vienna this 15th day of November 1972, in a single copy in the English and French languages, both texts being equally authentic, which shall be deposited with the Government of Sweden, by which certified copies shall be transmitted to all other signatory and acceding States.
Here follow the signatures of the representatives of Austria, Finland, Norway, Portugal, Sweden, Switzerland and the United Kingdom.
ANNEX I &fbco;binary entityId="c26e7a57-e036-4c50-bcc9-ce42a772eef9" type="pdf"&fbcc;
ANNEX II &fbco;binary entityId="014fd5db-8ca5-429a-92c1-1ae03f62401d" type="pdf"&fbcc;