18 2. During the period of one year referred to in paragraph 1 of this Article, any Member State wishing to withdraw from the Union shall comply with the provisions of this Act and shall be bound to discharge its obligations under this Act up to the date of its withdrawal. Article 32 Amendment and Revision 1. Any Member State may submit proposals for the amendment or revision of this Act. 2. Proposals for amendment or revision shall be submitted to the Chairman of the Commission who shall transmit same to Member States within thirty (30) days of receipt thereof. 3. The Assembly, upon the advice of the Executive Council, shall examine these proposals within a period of one year following notification of Member States, in accordance with the provisions of paragraph 2 of this Article; 4. Amendments or revisions shall be adopted by the Assembly by consensus or, failing which, by a two-thirds majority and submitted for ratification by all Member States in accordance with their respective constitutional procedures. They shall enter into force thirty (30) days after the deposit of the instruments of ratification with the Chairman of the Commission by a twothirds majority of he Member States. Article 33 Transitional Arrangements and Final Provisions 1. This Act shall replace the Charter of the Organization of African Unity. However, the Charter shall remain operative for a transitional period of one year or such further period as may be determined by the Assembly, following the entry into force of the Act, for the purpose of enabling the OAU I AEC to undertake the necessary measures regarding the devolution of its assets and liabilities to the Union and all matters relating thereto.