months in advance of their consideration by the Health Assembly. Amendments shall come into force for all Members when adopted by a two-thirds vote of the Health Assembly and accepted by twothirds of the Members in accordance with their respective constitutional processes. CHAPTER XVIII Interpretation Article 74 The Chinese, English, French, Russian, and Spanish texts of this Constitution shall be regarded as equally authentic. Article 75 Any question or dispute concerning the interpretation or application of this Constitution which is not settled by negotiation or by the Health Assembly shall be referred to the International Court of Justice in conformity with the Statute of the Court, unless the parties concerned agree on another mode of settlement. Article 76 Upon authorization of the General Assembly of the United Nations or upon authorization in accordance with any agreement between the Organization and the United Nations, the Organization may request the International Court of Justice for an advisory opinion on any legal question arising within the competence of the Organization. Article 77 The Director-General may appear before the Court on behalf of the Organization in connection with any proceedings arising out of any such request for an advisory opinion. He shall make arrangements for the presentation of the case before the Court including arrangements for the argument of different views on the question. CHAPTER XIX Entry into Force Article 78 Subject to the provisions of Chapter 111, this Constitution shall remain open to all States for signature or acceptance. Article 79 (a) States may become parties to this Constitution by—(i) Signature without reservation as to approval; (ii) Signature subject to approval followed by acceptance; or (iii) Acceptance.

23