A/RES/55/228 B by the Assembly in subsequent relevant resolutions and decisions for the ad hoc apportionment of peacekeeping appropriations, the latest of which were resolution 52/230 of 31 March 1998 and decisions 54/456 to 54/458 of 23 December 1999 for the period 1998–2000, and taking into account the scale of assessments for the year 2000, as set out in its resolutions 52/215 A of 22 December 1997 and 54/237 A of 23 December 1999; 20. Decides further that, for Member States that have not fulfilled their financial obligations to the Transitional Administration, their respective share in the unencumbered balance of 57,990,000 dollars gross (53,116,100 dollars net) in respect of the period ending 30 June 2000 shall be set off against their outstanding obligations in accordance with the scheme set out in paragraph 19 above; 21. Emphasizes that no peacekeeping mission shall be financed by borrowing funds from other active peacekeeping missions; 22. 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 Transitional Administration; 23. Invites voluntary contributions to the Transitional Administration 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; 24. Decides to include in the provisional agenda of its fifty-sixth session the item entitled “Financing of the United Nations Transitional Administration in East Timor”. 103rd plenary meeting 14 June 2001 Annex Special arrangements with regard to the application of article IV of the financial regulations of the United Nations 1. At the end of the twelve-month period provided for in financial regulation 4.3, any unliquidated obligations of the financial period in question relating to goods supplied and services rendered by Governments for which claims have been received or which are covered by established reimbursement rates shall be transferred to accounts payable; such accounts shall remain recorded in the Special Account for the United Nations Transitional Administration in East Timor until payment is effected. 2. In addition: (a) Any other unliquidated obligations of the financial period in question owed to Governments for provision of goods and services rendered but not yet verified, as well as other obligations owed to Governments, for which claims have not yet been received shall remain valid for an additional period of four years following the end of the twelve-month period provided for in financial regulation 4.3; (b) Claims received during this four-year period as well as approved verification reports shall be treated as provided for under paragraph 1 of the present annex, if appropriate; 4