Transmits 3 communiqués issued by the Central Organ of the Mechanism for Conflict Prevention, Management and Resolution of the Organization of African Unity (OAU) at its 57th ordinary session, held at ambassadorial level at Addis Ababa on 10 May 1999: communiqué on the situation in Guinea-Bissau, communiqué on the situation in the Federal Islamic Republic of the Comoros and communiqué on the official working visit of the Secretary-General of the OAU to Angola, from 5 to 7 May 1999.