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1. Amendments to this Convention may be proposed either by a Contracting Party or by the Contracting Parties meeting in accordance with Article 22 of this Convention.
2. The text of any amendment so proposed shall be communicated by the Secretary General of the Council to all Contracting Parties, to all other signatory States, to the Secretary General of the United Nations and to the Director General of the United Nations. Educational, Scientific and Cultural Organization (UNESCO).
3. Within a period of six months from the date on which the proposed amendment is so communicated, any Contracting Party may inform the Secretary General of the Council:
(a) that it has an objection to the proposed amendment, or
(b) that, although it intends to accept the proposed amendment, the conditions necessary for such acceptance are not yet fulfilled in its country.
4. If a Contracting Party sends the Secretary General of the Council a communication as provided for in paragraph 3 (b) of this Article, it may, so long as it has not notified the Secretary General of its acceptance of the proposed amendment, submit an objection to that amendment within a period of nine months following the expiry of the six-month period referred to in paragraph 3 of this Article.
5. If an objection to the proposed amendment is stated in accordance with the terms of paragraph 3 or 4 of this Article, the amendment shall be deemed not to have been accepted and shall be of no effect.
6. If no objection to the proposed amendment in accordance with paragraph 3 or 4 of this Article has been stated, the amendment shall be deemed to have been accepted as from the date specified below:
(a) if no Contracting Party has sent a communication in accordance with paragraph 3 (b) of this Article, on the expiry of the period of six months referred to in paragraph 3;
(b) if any Contracting Party has sent a communication in accordance with paragraph 3 (b) of this Article, on the earlier of the following two dates: (i) the date by which all the Contracting Parties which sent such communications have notified the Secretary General of the Council of their acceptance of the proposed amendment, provided that, if all the acceptances were fied before the expiry of the period of six months referred to in paragraph 3 of this Article, that date shall be taken to be the date of expiry of the said six-month period;
(ii) the date of expiry of the nine-month period referred to in paragraph 4 of this Article.
(i) the date by which all the Contracting Parties which sent such communications have notified the Secretary General of the Council of their acceptance of the proposed amendment, provided that, if all the acceptances were fied before the expiry of the period of six months referred to in paragraph 3 of this Article, that date shall be taken to be the date of expiry of the said six-month period;
(ii) the date of expiry of the nine-month period referred to in paragraph 4 of this Article.
7. Any amendment deemed to be accepted shall enter into force six months after the date on which it was deemed to be accepted.
8. The Secretary General of the Council shall, as soon as possible, notify all Contracting Parties and other signatory States of any objection to the proposed amendment made in accordance with paragraph 3 (a), and of any communication received in accordance with paragraph 3 (b), of this Article. He shall subsequently inform all the Contracting Parties and other signatory States whether the Contracting Party or Parties which have sent such a communication raise an objection to the proposed amendment or accept it.
9. Any State ratifying or acceding to this Convention shall be deemed to have accepted any amendments or modifications thereto which have entered into force at the date of deposit of its instrument of ratification or accession.