Artikel 49

1. Once this Convention is in force, any Party may, by notification to the secretariat of the Convention, request that a conference be convened for the purpose of reviewing this Convention. The secretariat of the Convention shall notify all Parties of the request and a review conference shall be convened by the secretariat of the Convention if, within a period of four months following the date of notification by the secretariat of the Convention, not less than one fourth of the Parties to this Convention notify the secretariat of their concurrence with the request.
2. If a conference is convened in accordance with the preceding paragraph, the secretariat of the Convention shall notify all the Parties and invite them to submit within a period of three months proposals which they may wish the conference to consider. The secretariat of the Convention shall circulate to all Parties the provisional agenda for the conference together with the texts of such proposals at least three months before the date on which the conference is to meet.
3. The secretariat of the Convention shall invite to any conference convened in accordance with this Article all States referred to in Article 43, paragraph 2, of this Convention.