diate step, to increase the number of United Nations observers in and around Beirut; 7. Requests the Secretary-General to report to the Security Council on the implementation of the present resolution as soon as possible and not later than 1000 hours, eastern daylight time, on 5 August 1982; 8. Decides to meet at that time, if necessary, in order to consider the report of the Secretary-General and, in case of failure to comply by any of the parties to the conflict, to consider adopting effective ways and means in accordance with the provisions of the Charter of the United Nations. Adopted at the 2389th meeting by 14 votes to none, with I abstention (United States of America). Resolution 518 (1982) of 12 August 1982 The Security Council. Recalling its resolutions 508 ( 1982), 509 (1982), 511 ( 1982), 512 (1982), 513 (1982), 515 (1982), 516 (1982) and 517 (1982), Expressing its most serious concern about continued military activities in Lebanon and, particularly, in and around Beirut, I . Demands that Israel and all parties to the conflict observe strictly the terms of Security Council resolutions relevant to the immediate cessation of all military activities within Lebanon and, particularly, in and around Beirut; 2. Demands the immediate lifting of all restrictions on the city of Beirut in order to permit the free entry of supplies to meet the urgent needs of the civilian population in Beirut; 3. Requests the United Nations observers in, and in the vicinity of, Beirut to report on the situation; 4. Demands that Israel co-operate fully in the effort to secure the effective deployment of the United Nations ob~ervers, as requested by the Gove_mment of Lebanon, and m such a manner as to ensure their safety; 5. Requests the Secretary-General to report as soon as possible to the Security Council on the implementation of the present resolution; 6. Decides to meet, if necessary, in order to consider the situation upon receipt of the report of the SecretaryGeneral. Adopted unanimously at the 2392nd meeting. Decision At its 2393rd meeting. on 17 August 1982. the Council proceeded with the discussion of the item entitled "The situation in the Middle East: report of the SecretaryGeneral on the United Nations Interim Force in Lebanon (S/15357)". >s Resolution 519 (1982) of 17 August 1982 The Security Council. Recalling its resolutions 425 (1978), 426 (1978). 427 (1978), 434 (1978), 444 (1979), 450 (1979), 459 (1979). 467 (1980), 483 (1980), 488 (1981), 490 (1981), 498 (1981). 501 (1982) and 511 (1982), Reaffirming its resolutions 508 (1982) and 509 ( 1982l. as well as subsequent resolutions on the situation in Lebanon. Having studied with grave concern the report of the Secretary-General on the United Nations Interim Force in Lebanon39 and noting its conclusions and recommenda tions and the wishes of the Government of Lebanon as sel out therein, Bearing in mind the need, pending an examination hy the Security Council of the situation in all its aspects, to preserve in place the capacity of the United Nations to assist in the restoration of the peace and of the authority of the Govern ment of Lebanon throughout Lebanon, I. Decides to extend the present mandate of the United Nations Interim Force in Lebanon for a further interim pe riod of two months, that is, until 19 October 1982; 2. Authorizes the Force during that period to continue to carry out, in addition, the interim tasks in the humani tarian and administrative fields assigned to it in paragraph 2 of resolution 511 (1982); 3. Calls on all concerned, taking into account para graphs 5, 8, and 9 of the report of the Secretary-General on the Force, to extend full co-operation to it in the discharge of its tasks; 4. Supports the efforts of the Secretary-General. with a view to optimum use of observers of the United Nations Truce Supervision Organization, as envisaged by relevant resolutions of the Security Council; 5. Decides to consider the situation fully and in all its aspects before 19 October 1982. Adopted at the 239Jrd meeting hr I3 votes tu none, with 2 ahsten tions (Poland. Union of S<·vift Socialist Repuhlics). Decision At its 2394th meeting, on 16 September 1982, the Council decided to invite the representatives of Kuwait and the Syrian Arab Republic to participate. without vote. in the discussion of the item entitled: "The situation in the Middle East: ·'(a) Letter dated 4 June 1982 from the Perrna nent Representative of Lebanon to the United Nation'> addressed to the President of the Securitv Council (S/15162); 16 ' "(b) Letter dated 28 July 1982 from the Permanent Representatives of Egypt and France to the United Nations addressed to the President of the Securitv Coun cil (S/15316);'~ ' '" /bid . document S/15~~7. 9