The Security Council,

Reaffirming its resolution 696 (1991) of 30 May 1991 and all subsequent relevant resolutions,

Expressing its firm commitment to preserve the unity, sovereignty and territorial integrity of Angola,

Having considered the report of the Secretary-General of 17 April 1998 (S/1998/333),

Welcoming the recent steps by the Government of Unity and National Reconciliation (GURN) and the União para a Independência Total de Angola (UNITA) toward completing the remaining tasks of the Lusaka Protocol (S/1994/1441, annex), including promulgation of the law granting special status to the leader of UNITA, the appointment of the remaining governors and vice-governors nominated by UNITA, agreement on a list of ambassadors nominated by UNITA, cessation of broadcasts by Radio Vorgan, and the arrival in Luanda of senior officials of UNITA to prepare for the establishment of UNITA headquarters in the capital,

1. Calls upon the GURN and in particular UNITA to complete all remaining obligations under the "Acordos de Paz" (S/22609, annex), the Lusaka Protocol and relevant Security Council resolutions, including the normalization of State administration throughout the national territory as well as disarmament of the civilian population;

2. Strongly reiterates its demand that UNITA stop its pattern of delays and linkages and cooperate immediately and without conditions in completing the normalization of State administration throughout the national territory, including in particular in Andulo and Bailundo;

3. Takes note of steps taken by UNITA regarding some of the obligations set out in paragraphs 2 and 3 of resolution 1127 (1997) of 28 August 1997, and reaffirms its readiness to review the measures specified in paragraph 4 of resolution 1127 (1997) or to consider the imposition of additional measures in accordance with paragraphs 8 and 9 of resolution 1127 (1997);

4. Strongly condemns the attacks by members of UNITA on the personnel of the United Nations Observer Mission in Angola (MONUA), international personnel and Angolan national authorities, including the police, demands that UNITA immediately stop such attacks, and urges MONUA to investigate promptly the recent attack in N'gove;

5. Calls upon the GURN and in particular UNITA to guarantee unconditionally the safety, security and freedom of movement of all United Nations and international personnel;

6. Also calls upon the GURN to refrain from any action, including the excessive use of force, which might undermine the process of normalization of State administration or lead to renewed hostilities, and encourages the GURN to continue to give priority to peaceful actions that contribute to the successful conclusion of the peace process;

7. Reiterates its belief that a meeting in Angola between the President of the Republic of Angola and the leader of UNITA could facilitate the successful conclusion of the peace process and accelerate the process of national reconciliation;

8. Decides to extend the mandate of MONUA until 30 June 1998;

9. Reaffirms paragraph 6 of resolution 1157 (1998) of 20 March 1998, and endorses the recommendation of the Secretary-General to complete the withdrawal of all military personnel, with the exception of one infantry company, the helicopter unit, the signals and medical support units and 90 military observers, no later than 1 July 1998, and in accordance with paragraph 38 of his report of 17 April 1998;

10. Endorses the recommendation of the Secretary-General in his above-mentioned report to deploy 83 additional civilian police observers, as authorized by resolution 1157 (1998), following consultations with the GURN;

11. Takes note with appreciation of the recommendations of the Secretary-General contained in section IX of his report of 17 April 1998 regarding the beginning of the drawdown of the military observers and civilian personnel of MONUA and the termination of MONUA, and expresses its intention to take a final decision by 30 June 1998 on the mandate, size and organizational structure of MONUA or a follow-on United Nations presence after that date, based on progress in the peace process and in light of the report referred to in paragraph 12 below;

12. Requests the Secretary-General to submit a report by 17 June 1998 on the status of the peace process, with further recommendations regarding the mandate, size and organizational structure of MONUA or a follow-on United Nations presence after 30 June 1998 and revised estimates of the cost of that United Nations presence;

13. Expresses its appreciation to the Chairman of the Committee created pursuant to resolution 864 (1993) who visited Angola and other interested countries and reinforced the need for full and effective implementation of the measures specified in paragraph 4 of resolution 1127 (1997) in order to achieve compliance by UNITA with its obligations under the Lusaka Protocol and relevant Security Council resolutions;

14. Calls upon all Member States to implement fully and without delay the measures specified in paragraph 4 of resolution 1127 (1997), reiterates its request that Member States having information on flights and other actions prohibited in paragraph 4 of resolution 1127 (1997) provide this information to the Committee created pursuant to resolution 864 (1993), and requests the Secretary-General to report on these violations by UNITA and certain Member States in the report referred to in paragraph 12 above;

15. Expresses its appreciation to the Secretary-General, his Special Representative and the personnel of MONUA for assisting the Government of Angola and UNITA to implement the peace process;

16. Decides to remain actively seized of the matter.