A/RES/51/152 Page 2 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, Mindful of the fact that it is essential to provide the 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 Mission in Bosnia and Herzegovina as at 30 November 1996, including the contributions outstanding in the amount of 13.7 million United States dollars, representing 12 per cent of the total assessed contributions from the inception of the Mission to the period ending 20 December 1996, notes that some 27 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 payment of their assessed contributions to the 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 Mission is administered with a maximum of efficiency and economy; 7. Decides to appropriate the amount of 75,619,800 dollars gross (72,225,600 dollars net) for the maintenance of the Mission for the period from 1 July 1996 to 30 June 1997, inclusive of the amount of 1,918,300 dollars for the support account for peacekeeping operations, in addition to the amount of 75,619,800 dollars gross (72,225,600 dollars net) already appropriated for the period from 1 July to 31 December 1996 under the provisions of General Assembly resolution 50/241; 8. Decides also, as an ad hoc arrangement, and taking into account the amount of 75,619,800 dollars gross (72,225,600 dollars net) already apportioned in accordance with General Assembly resolution 50/241, to apportion the additional amount of 75,619,800 dollars gross (72,225,600 dollars net) for the period from 1 July 1996 to 30 June 1997 among Member States at a monthly rate of 12,603,300 dollars gross (12,037,600 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 and 50/224 of 11 April 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 23 /...