Decides also, as an ad hoc arrangement, to apportion the amount of 150 million dollars gross (141,084,300 dollars net) for the period from 1 December 1999 to 30 June 2000, taking into account the amount of 200 million dollars already apportioned among Member States in accordance with General Assembly resolution 54/246 A and in accordance with the composition of groups set out in paragraphs 3 and 4 of 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, 50/451 B of 23 December 1995 and 54/456 to 54/458 of 23 December 1999, and taking into account the scale of assessments for the years 1999 and 2000, as set out in its resolutions 52/215 A of 22 December 1997 and 54/237 A of 23 December 1999;