United Nations Security Council Resolution 642
Adopted by the Security Council at its 2885th meeting, on 29 September 1989
The Security Council,
Having considered the report of the Secretary-General on the United Nations Iran-Iraq Military Observer Group of 22 September 1989 (S/20862), and taking note of the observations expressed therein,
(a) To call once again upon the parties concerned to implement immediately Security Council resolution 598 (1987);
(b) To extend the mandate of the United Nations Iran-Iraq Military Observer Group for a further period of six months, that is, until 31 March 1990;
(c) To request the Secretary-General to submit, at the end of this period, a report on the developments in the situation and the measures taken to implement Security Council resolution 598 (1987).
(Resolution S/RES/642 (1989))