4. Urges all parties to the Convention on International Civil Aviation, signed at Chicago in 1944,71 to observe to the fullest extent, in all circumstances, the international rules and practices concerning the safety of civil aviation, in particular those of the annexes to that Convention, in order to prevent the recurrence of incidents of the same nature;
71 United Nations. Treaty Series. vol. 15.·No. 102.

5. Stresses the need for a full and rapid implementation of its resolution 598 (1987) of 20 July 1987, as the only basis for a comprehensive, just, honourable and durable settlement of the conflict between the Islamic Republic of Iran and Iraq, and reaffirms its support to the efforts of the Secretary-General to implement that resolution, committing itself to work with hin in the development of his implementation plan.
Adopted unanimously at the 2821 st meeting.

THE SITUATION CONCERNING WESTERN SAHARA12

Decision
At its 2826th meeting, on 20 September 1988, the Council proceeded with the discussion of the item entitled "The situation concerning Western Sahara".
Resolution 621 (1988)
of 20 September 1988
The Security Council, Having heard a report by the Secretary-General of the United Nations on his mission of good offices, 71 pursued jointly with the current Chairman of the Assembly of Heads of State and Government of the Organization of African Unity, in conformity with General Assembly resolution 40/50
72 Resolutions or decisions on this question were also adopted by the Council in 1975.
73 See Official Records of the Security Council. Forty-third ~ar, 2826th meeting.

of 2 December 1985., with a view to settling the question of Western Sahara,
Taking note of the agreement in principle given by the Kingdom of Morocco and the Frente Popular para la Liberaci6n de Saguia el-Harnra y de Rio de Oro on 30 August 1988 to the joint proposals of the Secretary-General and the current Chairman of the Organization of African Unity,
Anxious to support these efforts with a view to the holding of a referendum for self-determination of the people of Western Sahara, organized and supervised by the United Nations in co-operation with the Organization of African Unity,
1. Decides to authorize the Secretary-General to ap· point a special representative for Western Sahara;
2. Requests the Secretary-General to transmit to it as soon as possible a report on the holding of a referendum for self-determination of the people of Western Sahara and on ways and means to ensure the organization and supervision of such a referendum by the United Nations in co-operation with the Organization of African Unity.
Adopted unanimously at th<' 2826th meeting.

THE SITUATION IN NAMIBIA,.

Decision
At its 2827th meeting, on 29 September 1988, the Council proceeded with the discussion of the item entitled "The situation in Namibia: letter dated 27 September 1988 from the Permanent Representative of Zambia to the United Nations addressed to the President of the Security Council (S/20203)"."
74 Resolutions or decisions on this question were also adopted by the Council in 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975. 1976, 1978. 1979, 1980, 1981, 1983, 1985 and 1987.
" See Official Records of the Security Council. Fortv-third Year. Supplement for July. Au!>:ust and September 1988.

At the same meeting, the President made the following statement on behalf of the members of the Council:'·
"Ten years ago, on 29 September 1978, the Security Council adopted resolution 435 (1978) in order to ensure an early independence of Namibia through free elections under the supervision and control of the United Nations.
"The members of the Council express grave concern that such a long time after the adoption of resolution 435 (1978) the Namibian people have not yet attained their self-determination and independence.
76 S/20208.

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