A/RES/50/210 Page 3 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 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 1995 and 1996; 3/ 10. Decides further 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 165,400 dollars approved for the Observer Mission for the period from 1 January to 31 January 1996; 11. Decides that, for Member States that have fulfilled their financial obligations to the Observer Mission, there shall be set off against the apportionment, as provided for in paragraph 9 above, their respective share in the unencumbered balance of 226,890 dollars gross (224,900 dollars net) for the period from 23 October 1994 to 30 June 1995; 12. Decides also that, for Member States that have not fulfilled their financial obligations to the Observer Mission, their share of the unencumbered balance of 226,890 dollars gross (224,900 dollars net) for the period from 23 October 1994 to 30 June 1995 shall be set off against their outstanding obligations; 13. Authorizes the Secretary-General to enter into commitments in the amount of 12,169,600 dollars gross (11,838,800 dollars net) for the maintenance of the Observer Mission for the period from 1 February to 31 March 1996, subject to the extension of the mandate of the Observer Mission by the Security Council, and that this amount be apportioned among Member States in accordance with the scheme set out in the present resolution; 14. 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; 15. Decides to keep the agenda item entitled "Financing of the United Nations Observer Mission in Liberia" under review during the fiftieth session. 100th plenary meeting 23 December 1995 3/ See resolution 49/19 B. /...