A/RES/51/237 Page 2 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 Mission of Observers, Mindful of the fact that it is essential to provide the Mission of Observers 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 Mission of Observers in Tajikistan as at 15 May 1997, including the contributions outstanding in the amount of 2,508,489 United States dollars, representing 13 per cent of the total assessed contributions from the inception of the Mission of Observers to the period ending 15 June 1997, notes that some 13 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 the 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 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 the payment of their assessed contributions to the Mission of Observers in full and on time; 5. Endorses the observations and recommendations contained in the report of the Advisory Committee on Administrative and Budgetary Questions2 and the report of the Office of Internal Oversight Services;3 6. Requests the Secretary-General to take all necessary action to ensure that the Mission of Observers is administered with a maximum of efficiency and economy; 7. Decides to appropriate to the Special Account for the United Nations Mission of Observers in Tajikistan the amount of 8,275,700 dollars gross (7,721,300 dollars net) for the maintenance of the Mission of Observers for the period from 1 July 1997 to 30 June 1998, inclusive of the amount of 308,000 dollars for the support account for peacekeeping operations, to be assessed on Member States at a monthly rate of 689,642 dollars gross (643,442 dollars net) in accordance with the composition of groups set out in paragraphs 3 and 4 of General Assembly resolution 43/232 of 1 March 1989, as adjusted by the 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 /...

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