Ceasefire provision
Page 1, Annex, Letter dated 8 May 1991 from the Minister for External relations of Angola to the Secretary-General
... Although the said Accords will be in force after the formal signature at the end of this month, the cessation of the hostilities must be verified "in fact" as of 15 May 1991, at which date the mechanisms of verification should be started.
Page 1, Enclosure, Peace Accords for Angola
The Government of the People's Republic of Angola and the National Union for the Total Independence of Angola (UNITA), with mediation by the Government of Portugal and the participation of observers from the governments of the United States of America and the Union of Soviet Socialist Republics, Accept as binding the following documents, which constitute the Peace Accords for Angola;
(a) The cease-fire agreement (including annexes I and II thereto) [see attachment I];