types of equipment and supplies and grants of licensing arrangements for the manufacture or maintenance of the aforementioned;
3. Calls upon all States to review, having regard to the objectives of the present resolution, all existing contractual arrangements with and licences granted to South Africa relating to the manufacture and maintenance of arms, ammunition of all types and military equipment and vehicles, with a view to terminating them;
4. Further decides that all States shall refrain from any co-operation with South Africa in the manufacture and development of nuclear weapons;
5. Calls upon all States, including States non-members of the United Nations, to act strictly in accordance with the provisions of the present resolution;
6. Requests the Secretary-General to report to the Security Council on the progress of the implementation of the present resolution, the first report to be submitted not later than 1 May 1978;
7. Decides to keep this item on its agenda for further action, as appropriate, in the light of developments.
Adopted unanimously at the 204otlt meetin[!.
Decisions
At its 2052nd meeting, on 9 December 1977, the Council decided to invite the representatives of Saudi Arabia and the United Republic of Cameroon to participate, without vote, in the discussion of the item entitled "The question of South Africa: letter dated 5 December 1977 from the Permanent Representative of the United Republic of Cameroon to the United Nations addressed to the President of the Security Council (S/12470)".17
At the same meeting, the Council also decided, at the request of the representatives of Benin, the Libyan Arab Jamahiriya and Mauritius,18 to extend an invitation to Mr. M. J. Makatini under rule 39 of the provisional rules of procedure.

Recalling its resolution 418 ( 1977) of 4 November 1977, in which it determined, having regard to the policies and acts of the South African Government, that the acquisition by South Africa of arms and related materiel constituted a threat to the maintenance of international peace and security and established a mandatory arm,. embargo against South Africa,
Mindful of the need to have appropriate machinery in order to examine the progress of implementation of the measures envisaged in resolution 418 ( 1977),
Noting that it requested the Secretary-General to report to the Council on the progress of the implementation of n:solution 41 8 ( 1977),
1. Decides to establish, in accordance with rule 28 of its provisional rules of procedure, a Committee of the Security Council, consisting of all the members of the Council, to undertake the following tasks and to report on its work to the Council with its observations und recommendations:
(a) To examine the report on the progre!'s of the implementation of resolution 418 ( 1977) which will be submitted by the Secretary-General;
(b) To study ways and means by which the mandatory arms embargo could be made more e!Tcctiw against South Africa and to make recommendations to the Council;
(c) To seek from all States further information regarding the action taken by them concerning the effective implementation of the provisions laid down in resolution 418 (1977) ;
2. Calls upon all States to co-operate fully with the Committee in regard to the fulfilment of its tasks concerning the effective implementation of the provisions of resolution 418 (1977) and to supply such information as may be sought by the Committee in pursuance of the present resolution;
3. Requests the Secretary-General to provide all necessary assistance to the Committee and to make the necessary arrangements in the Secretariat for that purpose, including the provision of appropriate staff for the servicing of the Committee.
Adopted unanimously at the 2052nd meeting.

Resolution 421 (1977) of 9 December 1977
The Security Council,
17 See Oficial Records of the Security Council, Thirty-second Year, Supplement for October, November and December 1977.
IBJbid., document S/12480.

Decision
At its 2053rd meeting, on 9 December 1977, the Council decided to extend an invitation, under rule 39 of the provisional rules of procedure, to the Chairman of the Special Committee against Apartheid.

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