A/RES/53/228 Page 2 Recalling its resolution 43/231 of 16 February 1989 on the financing of the Verification Mission and its subsequent resolutions and decisions thereon, and resolution 53/211 of 18 December 1998 on the financing of the Observer Mission, Reaffirming that the costs of the Observer Mission are expenses of the Organization to be borne by Member States in accordance with Article 17, paragraph 2, of the Charter of the United Nations, Recalling its previous decisions regarding the fact that, in order to meet the expenditures caused by the Observer Mission, a different procedure is required from that applied to meet expenditures of the regular budget of the United Nations, Taking into account the fact that the economically more developed countries are in a position to make relatively larger contributions and that the economically less developed countries have a relatively limited capacity to contribute towards such an operation, Bearing in mind the special responsibilities of the States permanent members of the Security Council, as indicated in General Assembly resolution 1874 (S-IV) of 27 June 1963, in the financing of such operations, Noting with appreciation that voluntary contributions have been made to the Observer Mission, Mindful of the fact that it is essential to provide the Observer Mission with the necessary financial resources to enable it to fulfil its responsibilities under the relevant resolutions of the Security Council, 1. Takes note of the status of contributions to the United Nations Angola Verification Mission and the United Nations Observer Mission in Angola as at 30 April 1999, including the contributions outstanding in the amount of 144.9 million United States dollars, representing 12 per cent of the total assessed contributions from the inception of the Verification Mission to the period ending 30 June 1997 and from the inception of the Observer Mission to the period ending 30 June 1999, notes that some 6 per cent of the Member States have paid their assessed contributions in full, and urges all other Member States concerned, in particular those in arrears, to ensure payment of their outstanding assessed contributions; 2. Expresses concern about the financial situation with regard to peacekeeping activities, in particular as regards the reimbursement of troop contributors, which bear additional burdens owing to overdue payments by Member States of their assessments; 3. Expresses its appreciation to those Member States which have paid their assessed contributions in full; 4. Urges all other Member States to make every possible effort to ensure payment of their assessed contributions to the Verification Mission and the Observer Mission in full and on time; 5. Endorses the observations and recommendations contained in the report of the Advisory Committee on Administrative and Budgetary Questions;2 6. Requests the Secretary-General to take all necessary action to ensure that the liquidation of the Observer Mission is administered with a maximum of efficiency and economy; 7. Expresses concern that the Secretary-General did not submit a report before the second part of the resumed fifty-third session of the General Assembly on the status of implementation of measures taken or /...

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