A/RES/60/266 II Budget presentation 1. Recalls the unique nature and mandate of each operation, and stresses that the resource requirements should respond to the mandates and circumstances of each operation; Requests the Secretary-General to continue to undertake the review of 2. staffing requirements, function and level of posts that would reflect evolving mandates, changing operational requirements, actual responsibilities and functions performed, with a view to ensuring the most cost-effective use of resources; Recalls section I, paragraph 6, of its resolution 49/233 A, and requests 3. the Secretary-General to include in all performance reports in respect of peacekeeping operations, the United Nations Logistics Base at Brindisi, Italy, and the support account, details of monthly expenditure patterns, as well as to provide, in the context of the consideration of the budget submission, to the extent possible, supplementary information on the most up-to-date financial data available on actual expenditures for the current period; Regrets the late issuance and receipt of budgets of some peacekeeping 4. operations, which has placed some considerable strain on the ability of the General Assembly to engage in a detailed consideration of the requirements, and requests the Secretary-General to make every effort to improve the timely submission of peacekeeping budgets; Notes the practice of allowing peacekeeping staff to take up temporary 5. duty positions in other peacekeeping missions, and requests the Secretary-General to review this practice, including for staff currently seconded on temporary duty, to consider ways to limit the length of temporary duty secondments as well as to elaborate on the exceptions and ensure that such secondments do not impact adversely on the operational activities of the parent mission, in particular when the parent mission has existing vacancies; III Use of consultants 1. Requests the Secretary-General to ensure full utilization of synergies present in the United Nations system and to develop an effective evaluation mechanism for the use of outside expertise; Also requests the Secretary-General to ensure that the commissioning of 2. external consultants in the Organization by senior management and programme managers is conducted according to established administrative procedures and financial regulations and rules, with full respect for the mandates of internal and external oversight bodies and the oversight role of the General Assembly, and to report thereon; IV High vacancy rates 1. Requests the Secretary-General to intensify his ongoing efforts, including through innovative approaches, to ensure the expeditious filling of all vacant posts; 2. Also requests the Secretary-General to continue to ensure greater use of national staff in peacekeeping operations; 2