Decides to appropriate to the Special Account for the United Nations Observer Mission in Georgia the amount of 19,439,280 dollars gross (18,452,580 dollars net) for the maintenance of the Observer Mission for the period from 1 July 1998 to 30 June 1999, inclusive of the amount of 989,880 dollars for the support account for peacekeeping operations, to be apportioned, as an ad hoc arrangement, among Member States at a monthly rate of 1,619,940 dollars gross (1,537,715 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 Observer Mission beyond 31 July 1998;