A/RES/48/256 Page 3 9. Decides also to appropriate to the Special Account the amount of 1,251,800 dollars gross (1,220,100 dollars net) for the maintenance of the Observer Mission for the period from 1 February to 31 March 1994; 10. Decides further to appropriate to the Special Account the amount of 1,002,600 dollars gross (939,000 dollars net), inclusive of the commitment of 600,000 dollars gross (558,000 dollars net) authorized under General Assembly decision 48/475 B for the period from 1 April to 31 May 1994, for the maintenance of the Observer Mission for the period from 1 April to 30 June 1994; 11. Decides, as an ad hoc arrangement, to apportion the amount of 1,251,800 dollars gross (1,220,100 dollars net) for the period from 1 February to 31 March 1994 among Member States 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 and 47/218 A of 23 December 1992 and its decision 48/472 A of 23 December 1993, and taking into account the scale of assessments for the years 1992, 1993 and 1994 as set out in Assembly resolutions 46/221 A of 20 December 1991 and 48/223 A of 23 December 1993 and Assembly decision 47/456 of 23 December 1992; 12. Decides also that there shall be set off against the apportionment among Member States, as provided for in paragraph 11 above, the balance of the apportioned amount of 257,400 dollars gross (240,900 dollars net) authorized by the Assembly in its decision 48/475 A for the period ending 31 January 1994; 13. Decides further, as an ad hoc arrangement, to apportion the amount of 1,002,600 dollars gross (939,000 dollars net) for the period from 1 April to 30 June 1994 among Member States in accordance with the scheme set out in paragraph 11 above; 14. Decides 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 paragraphs 11 and 13 above, their respective share in the Tax Equalization Fund of the estimated staff assessment income of 31,700 dollars for the period from 1 February to 31 March 1994 and 63,600 dollars for the period from 1 April to 30 June 1994, respectively, approved for the Observer Mission; 15. Authorizes the Secretary-General to enter into commitments for the operation of the Observer Mission at a rate not to exceed 334,200 dollars gross (313,000 dollars net) per month for the period from 1 July to 31 October 1994, should the Security Council decide to continue the Observer Mission beyond 30 June 1994 and subject to the prior concurrence of the Advisory Committee for the actual level of commitments to be entered into for the period, the said amount to be apportioned among Member States in accordance with the scheme set out in the present resolution; 16. Requests the Secretary-General to submit the performance report for the mandate period ending 31 March 1994 and the budget estimates corresponding to any new mandate period the Security Council may decide on, no later than 15 September 1994; 17. Invites voluntary contributions to the Observer 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 established by the General Assembly in its resolutions 43/230 of 21 December 1988, 44/192 A of 21 December 1989 and 45/258 of 3 May 1991; /...