24 conflicts and, in circumstances where conflicts have occurred, peacemaking and peace-building functions. 3. In undertaking these efforts, Regional Mechanisms concerned shall, through the Chairperson of the Commission, keep the Peace and Security Council fully and continuously informed of their activities and ensure that these activities are closely harmonized and coordinated with the activities of Peace and Security Council. The Peace and Security Council shall, through the Chairperson of the Commission, also keep the Regional Mechanisms fully and continuously informed of its activities. 4. In order to ensure close harmonization and coordination and facilitate regular exchange of information, the Chairperson of the Commission shall convene periodic meetings, but at least once a year, with the Chief Executives and/or the officials in charge of peace and security within the Regional Mechanisms. 5. The Chairperson of the Commission shall take the necessary measures, where appropriate, to ensure the full involvement of Regional Mechanisms in the establishment and effective functioning of the Early Warning System and the African Standby Force. 6. Regional Mechanisms shall be invited to participate in the discussion of any question brought before the Peace and Security Council whenever that question is being addressed by a Regional Mechanism is of special interest to that Organization. 7. The Chairperson of the Commission shall be invited to participate in meetings and deliberations of Regional Mechanisms. 8. In order to strengthen coordination and cooperation, the Commission shall establish liaison offices to the Regional Mechanisms. The Regional Mechanisms shall be encouraged to establish liaison offices to the Commission. 9. On the basis of the above provisions, a Memorandum of Understanding on Cooperation shall be concluded between the Commission and the Regional Mechanisms.