ARTICLE 21 ENTRY INTO FORCE This MoU shall enter into force on the Date of Signature by two thirds of all Member States. ARTICLE 22 ACCESSION This MOU shall remain open for accession by any State subject to Article 8 of the SADC Treaty. ARTICLE 23 WITHDRAWAL Any State Party may withdraw from this MOU upon the expiration of twelve (12) calendar months from the date of giving written notice to that effect to the Chairperson of the Organ and shall cease to enjoy all the rights and benefits under this MOU but shall remain bound: (a) until all the obligations are met under the provisions of Article 16 of this MoU; (b) indefinitely, in respect of the outstanding obligations incurred before the withdrawal under the provisions of this MOU. ARTICLE 24 DEPOSITORY The original texts of this MoU shall be deposited with the Executive Secretary of SADC, who shall transmit certified true copies thereof, to all SADC Member States. 15