2. The Executive Secretary shall register this Treaty with the Secretariats of the United Nations Organisation and the Organisation of African Unity. Chapter Eighteen TERMINATION OF THE MEMORANDUM OF UNDERSTANDING ARTICLE 44 This Treaty replaces the Memorandum of Understanding on the Institutions of the Southern African Development Coordination Conference dated 20th July, 1981. IN WITNESS WHEREOF, WE, the Heads of State or Government have signed this Treaty. DONE AT Windhoek, on 17th Day of August, 1992 in two (2) original texts in the English and Portuguese languages, both texts being equally authentic. THE PEOPLE'S REPUBLIC OF ANGOLA REPUBLIC OF BOTSWANA KINGDOM OF LESOTHO REPUBLIC OF MALAWI REPUBLIC OF MOZAMBIQUE REPUBLIC OF NAMIBIA KINGDOM OF SWAZILAND UNITED REPUBLIC OF TANZANIA REPUBLIC OF ZAMBIA REPUBLIC OF ZIMBABWE