A/RES/54/266 Page 4 the unencumbered balance of 1,737,600 dollars gross (1,590,300 dollars net) in respect of the period from 1 July 1998 to 30 June 1999; 18. Decides also that, for Member States that have not fulfilled their financial obligations to the Force, their share of the unencumbered balance of 1,737,600 dollars gross (1,590,300 dollars net) in respect of the period from 1 July 1998 to 30 June 1999 shall be set off against their outstanding obligations; 19. Decides further, pursuant to the provisions of paragraph 13 of its resolution 53/226, to credit back to Member States the amount of 4,022,162 dollars during the fifth-fourth session of the General Assembly, according to the procedures set out in paragraphs 15 to 18 above, the net surplus balance of 8,022,162 dollars held in the suspense account for the Force; 20. Emphasizes that no peacekeeping mission shall be financed by borrowing funds from other active peacekeeping missions; 21. 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 Force; 22. 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; 23. Decides to include in the provisional agenda of its fifty-fifth 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”. 98th plenary meeting 15 June 2000