SOUTHERN AFRICAN DEVELOPMENT COMMUNITY (l) such other functions as may, from time to time, be determined by the Summit and Council. 2. The Executive Secretary shall liaise closely with other institutions, guide, support and monitor the performance of SADC in the various sectors to ensure conformity and harmony with agreed policies, strategies, programmes and projects. 3. The Executive Secretary and the Deputy Executive Secretaries shall each be appointed for four years, and be eligible for appointment for another period not exceeding four years. ARTICLE 16 THE TRIBUNAL 1. The Tribunal shall be constituted to ensure adherence to and the proper interpretation of the provisions of this Treaty and subsidiary instruments and to adjudicate upon such disputes as may be referred to it. 2. The composition, powers, functions, procedures and other related matters governing the Tribunal shall be prescribed in a Protocol, which shall, notwithstanding the provisions of Article 22 of this Treaty, form an integral part of this Treaty, adopted by the Summit. 3. Members of the Tribunal shall be appointed for a specified period. 4. The Tribunal shall give advisory opinions on such matters as the Summit or the Council may refer to it. 5. The decisions of the Tribunal shall be final and binding. ARTICLE 16A SADC NATIONAL COMMITTEES 1. Each Member State shall create a SADC National Committee. 2. Each SADC National Committee shall consist of key stakeholders. 3. Each SADC National Committee shall, in its composition, reflect the core areas of integration and coordination referred to in paragraph 2 of Article 12 of this Treaty. 4. It shall be the responsibility of each SADC National Committee to: (a) provide input at the national level in the formulation of SADC policies, strategies and programmes of action; (b) coordinate and oversee, at the national level, implementation of SADC programmes of action; (c) initiate projects and issue papers as an input to the preparation of the Regional Indicative Strategic Development Plan, in accordance with the priority areas set out in the SADC Common Agenda; and (d) create a national steering committee, sub-committees and technical committees. Consolidated text of the Treaty of the Southern African Development Community, as Amended - 15 -