A/RES/51/232 Page 3 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 and 51/218 A and B of 18 December 1996 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 year 1997, as set out in its resolution 49/19 B of 23 December 1994 and its decision 50/471 A of 23 December 1995, and for the year 1998,4 subject to the decision of the Security Council to extend the mandate of the Force beyond 31 May 1997; 8. 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 7 above, their respective share in the Tax Equalization Fund of the estimated staff assessment income of 888,000 dollars approved for the period from 1 July 1997 to 30 June 1998; 9. Decides further that there shall be set off against the apportionment among Member States, as provided for in paragraph 7 above, their respective share in the estimated other income of 14,000 dollars for the period from 1 July 1997 to 30 June 1998; 10. Decides that, for Member States that have fulfilled their financial obligations to the Force, there shall be set off against the assessment, as provided for in paragraph 7 above, their respective share in the unencumbered balance of 1,129,300 dollars gross (1,066,700 dollars net) for the period ending 30 June 1996; 11. Decides also that, for Member States that have not fulfilled their financial obligations to the Force, their share of the unencumbered balance of 1,129,300 dollars gross (1,066,700 dollars net) for the period ending 30 June 1996 shall be set off against their outstanding obligations; 12. Decides that, for Member States that have fulfilled their financial obligations to the Force, there shall be set off against the assessment, as provided for in paragraph 7 above, their respective share in the surplus balance of 2,358,000 dollars for the period from 1 December 1993 to 30 November 1994; 13. Decides also that, for Member States that have not fulfilled their financial obligations to the Force, their share of the surplus balance of 2,358,000 dollars for the period from 1 December 1993 to 30 November 1994 shall be set off against their outstanding obligations; 14. Invites voluntary contributions to the Force 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; 15. Decides to include in the provisional agenda of its fifty-second session, under the item entitled "Financing of the United Nations peacekeeping forces in the Middle East", the sub-item entitled "United Nations Disengagement Observer Force". 101st plenary meeting 13 June 1997 4 To be adopted by the General Assembly.