3. Questions of procedure shall require a simple majority. Whether or not a question is one of procedure shall be determined by a simple majority of all Member States of the Organization. 4. Two-thirds of the total membership of the Organization shall form a quorum at any meeting of the Assembly. Article XI The Assembly shall have the power to determine its own rules of procedure. THE COUNCIL OF MINISTERS Article XII 1. The Council of Ministers shall consist of Foreign Ministers or other Ministers as are designated by the Governments of Member States. 2. The Council of Ministers shall meet at least twice a year. When requested by any Member State and approved by two-thirds of all Member States, it shall meet in extraordinary session. Article XIII 1. The Council of Ministers shall be responsible to the Assembly of Heads of State and Government. It shall be entrusted with the responsibility of preparing conferences of the Assembly. 2. It shall take cognisance of any matter referred to it by the Assembly. It shall be entrusted with the implementation of the decision of the Assembly of Heads of State and Government. It shall coordinate inter-African cooperation in accordance with the instructions of the Assembly conformity with Article II (2) of the present Charter. Article XIV 1. Each Member State shall have one vote. 2. All resolutions shall be determined by a simple majority of the members of the Council of Ministers. 6