A/RES/53/228 Page 3 initiated to address appropriately the issues, observations and recommendations contained in the report of the Office of Internal Oversight Services3 and other related actions taken by the Observer Mission and the Secretariat, as requested in paragraph 9 of Assembly resolution 52/8 C of 26 June 1998 and in paragraph 8 of its resolution 53/211, and requests the Secretary-General to submit that report no later than 30 June 1999; 8. Decides to appropriate to the Special Account for the United Nations Observer Mission in Angola the amount of 7,441,540 dollars gross (7, 083,840 dollars net) for the liquidation of the Observer Mission for the period from 1 July 1999 to 30 June 2000, inclusive of the amount of 369,153 dollars for the support account for peacekeeping operations and the amount of 72,387 dollars for the United Nations Logistics Base at Brindisi, Italy, to be apportioned, as an ad hoc arrangement, among Member States in accordance with the composition of groups set out in paragraphs 3 and 4 of its resolution 43/232 of 1 March 1989, as adjusted by the General Assembly in its resolutions 44/192 B of 21 December 1989, 45/269 of 27 August 1991, 46/198 A of 20 December 1991, 47/218 A of 23 December 1992, 49/249 A of 20 July 1995, 49/249 B of 14 September 1995, 50/224 of 11 April 1996, 51/218 A to C of 18 December 1996 and 52/230 of 31 March 1998 and its decisions 48/472 A of 23 December 1993 and 50/451 B of 23 December 1995, and taking into account the scale of assessments for the years 1999 and 2000, as set out in its resolution 52/215 A of 22 December 1997; 9. Decides also that, in accordance with the provisions of its resolution 973 (X) of 15 December 1955, there shall be set off against the apportionment among Member States, as provided for in paragraph 8 above, their respective share in the Tax Equalization Fund of the estimated staff assessment income of 357,700 dollars approved for the period from 1 July 1999 to 30 June 2000; 10. Decides further that, for Member States that have fulfilled their financial obligations to the Verification Mission and the Observer Mission, there shall be set off against their apportionment, as provided for in paragraph 8 above, their respective share of the unencumbered balance of 149,720 dollars gross (49,625 dollars net) in respect of the period from 3 January 1989 to 30 September 1994; 11. Decides that, for Member States that have not fulfilled their financial obligations to the Verification Mission and the Observer Mission, their share of the unencumbered balance of 149,720 dollars gross (49,625 dollars net) in respect of the period from 3 January 1989 to 30 September 1994 shall be set off against their outstanding obligations; 12. Decides also that, for Member States that have fulfilled their financial obligations to the Verification Mission and the Observer Mission, there shall be set off against their apportionment, as provided for in paragraph 8 above, their respective share of the unencumbered balance of 4,571,900 dollars gross (4,275,100 dollars net) in respect of the period from 1 July 1997 to 30 June 1998; 13. Decides further that, for Member States that have not fulfilled their financial obligations to the Verification Mission and the Observer Mission, their share of the unencumbered balance of 4,571,900 dollars gross (4,275,100 dollars net) in respect of the period from 1 July 1997 to 30 June 1998 shall be set off against their outstanding obligations; 3 A/52/881, annex. /...