Revision of the Convention and of the Regulations for its execution
Article 39.(1.Any High Contracting Party may propose amendments to the present Convention or the Regulations for its execution. The text of any proposed amendment shall be communicated to the Director-General of the United Nations Educational, Scientific and Cultural Organization who shall transmit it to each High Contracting Party with the request that such Party reply within four months stating whether it:
(a)desires that a Conference be convened to consider the proposed amendment;
(b)favours the acceptance of the proposed amendment without a Conference; or
(c)favours the rejection of the proposed amendment without a Conference.
(2.The Director-General shall transmit the replies, received under paragraph 1 of the present Article, to all High Contracting Parties.
(3.If all the High Contracting Parties which have, within the prescribed time-limit, stated their views to the Director-General of the United Nations Educational, Scientific and Cultural Organization, pursuant to paragraph 1(b) of this Article, inform him that they favour acceptance of the amendment without a Conference, notification of their decision shall be made by the Director-General in accordance with Article 38. The amendment shall become effective for all the High Contracting Parties on the expiry of ninety days from the date of such notification.
(4.The Director-General shall convene a Conference of the High Contracting Parties to consider the proposed amendment if requested to do so by more than one-third of the High Contracting Parties.
(5.Amendments to the Convention or to the Regulations for its execution, dealt with under the provisions of the preceding paragraph, shall enter into force only after they have been unanimously adopted by the High Contracting Parties represented at the Conference and accepted by each of the High Contracting Parties.
(6.Acceptance by the High Contracting Parties of amendments to, the Convention or to the Regulations for its execution, which have been adopted by the Conference mentioned in paragraphs 4 and 5, shall be effected by the deposit of a formal instrument with the Director-General of the United Nations Educational, Scientific and Cultural Organization.
(7.After the entry into force of amendments to the present Convention or to the Regulations for its execution, only the text of the Convention or of the Regulations for its execution thus amended shall remain open for ratification or accession.