A/RES/52/243 Page 3 8. Also requests the Secretary-General, in order to reduce the cost of employing General Service staff, to continue efforts to employ locally recruited staff for the Mission against General Service posts, commensurate with its requirements; 9. Decides to appropriate to the Special Account for the United Nations Mission in Bosnia and Herzegovina the amount of 189,483,720 dollars gross (179,593,320 dollars net) for the maintenance of the Mission for the period from 1 July 1998 to 30 June 1999, inclusive of the amount of 9,483,720 dollars for the support account for peacekeeping operations, to be apportioned, as an ad hoc arrangement, among Member States at a monthly rate of 15,790,310 dollars gross (14,966,110 dollars net) in accordance with the composition of groups set out in paragraphs 3 and 4 of General Assembly resolution 43/232 of 1 March 1989, as adjusted by the 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 1998 and 1999, as set out in its resolution 52/215 A of 22 December 1997, subject to the decision of the Security Council to extend the mandate of the Mission beyond 21 June 1998; 10. 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 9 above, their respective share in the Tax Equalization Fund of the estimated staff assessment income of 9,890,400 dollars approved for the Mission for the period from 1 July 1998 to 30 June 1999; 11. Decides further that, for Member States that have fulfilled their financial obligations to the Mission, there shall be set off against the apportionment, as provided for in paragraph 9 above, their respective share of the unencumbered balance of 33,031,700 dollars gross (30,731,700 dollars net) in respect of the period ending 30 June 1997; 12. Decides that, for Member States that have not fulfilled their financial obligations to the Mission, their share of the unencumbered balance of 33,031,700 dollars gross (30,731,700 dollars net) for the period ending 30 June 1997 shall be set off against their outstanding obligations; 13. Invites voluntary contributions to the Mission in cash and in the form of services and supplies acceptable to the Secretary-General, to be administered, as appropriate, in accordance with the procedure and practices established by the General Assembly; 14. Decides to include in the provisional agenda of its fifty-third session the item entitled "Financing of the United Nations Mission in Bosnia and Herzegovina". 88th plenary meeting 26 June 1998