A/RES/56/251 2002 to be applied against the balance, that is, 180,230,584 dollars gross (178,295,585 dollars net) for the period from 1 January to 31 March 2002; 13. 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 12 above, their respective share in the Tax Equalization Fund of the estimated staff assessment income of 3,089,599 dollars approved for the Mission for the period from 1 July 2001 to 31 March 2002, 1,154,600 dollars being the amount pertaining to the period from 1 July to 31 December 2001, and the balance, that is, 1,934,999 dollars pertaining to the period from 1 January to 31 March 2002; 14. Decides to apportion among Member States the amount of 132 million dollars gross (130,938,600 dollars net) for the period from 1 April to 30 June 2002, at a monthly rate of 44 million dollars gross (43,646,200 dollars net) in accordance with the scheme set out in the present resolution and taking into account the scale of assessments for the year 2002 as set out in General Assembly resolution 55/5 B, subject to the decision of the Security Council to extend the mandate of the Mission beyond 31 March 2002; 15. Decides also that, in accordance with the provisions of its resolution 973 (X), there shall be set off against the apportionment among Member States, as provided for in paragraph 14 above, their respective share in the Tax Equalization Fund of the estimated staff assessment income of 1,061,400 dollars approved for the Mission for the period from 1 April to 30 June 2002; 16. Emphasizes that no peacekeeping mission shall be financed by borrowing funds from other active peacekeeping missions; 17. Encourages the Secretary-General to continue to take additional measures to ensure the safety and security of all personnel under the auspices of the United Nations participating in the Mission; 18. Invites voluntary contributions to the 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 and practices established by the General Assembly; 19. Decides to keep under review during its fifty-sixth session the item entitled “Financing of the United Nations Mission in Sierra Leone”. 92nd plenary meeting 24 December 2001 3