The budget of the Organization prepared by the Secretary-General shall be approved by the Council of Ministers. The budget shall be provided by contribution from Member States in accordance with the scale of assessment of the United Nations; provided, however, that no Member State shall be assessed an amount exceeding twenty percent of the yearly regular budget of the Organization. The Member States agree to pay their respective contributions regularly. SIGNATURE AND RATIFICATION OF CHARTER Article XXIV 1. This Charter shall be open for signature to all independent sovereign African States and shall be ratified by the signatory States in accordance with their respective constitutional processes. 2. The original instrument, done, if possible in African languages, in English and French, all texts being equally authentic, shall be deposited with the Government of Ethiopia which shall transmit certified copies thereof to all independent sovereign African States. 3. Instruments of ratification shall be deposited with the Government of Ethiopia, which shall notify all signatories of each such deposit. ENTRY INTO FORCE Article XXV This Charter shall enter into force immediately upon receipt by the Government of Ethiopia of the instruments of ratification from two-thirds of the signatory States. REGISTRATION OF CHARTER Article XXVI This Charter shall, after due ratification, be registered with the Secretariat of the United Nations through the Government of Ethiopia in conformity with Article 102 of the Charter of the United Nations. 9