A/RES/53/221 Page 4 1. Recognizes the continuing need for central human resources planning within the Office of Human Resources Management of the Secretariat to ensure full implementation of the principles of the Charter of the United Nations and the relevant resolutions of the General Assembly; 2. Notes the intention of the Secretary-General to establish a Secretariat-wide integrated human resources planning system under the central authority of the Office of Human Resources Management, and requests him to report thereon to the General Assembly at its fifty-fifth session; 3. Expresses concern at the growing number of resignations of staff in the Secretariat, in particular of those in the Professional category, and requests the Secretary-General to carry out a study to ascertain the causes of such separations and to report thereon to the General Assembly at its fifty-fifth session; 4. Emphasizes the importance of a human resources planning system, including an integrated approach to recruitment policy, job classification and contractual policies, based on the fundamental principles of the Charter and the Staff Regulations and Rules of the United Nations; 5. Regrets that some regional commissions and duty stations of the Organization, particularly those in developing countries, have a high vacancy rate, which consequently hampers the execution of their respective mandates, and in this regard requests the Secretary-General to ensure the proper mobility of staff between all the regional commissions and duty stations to correct this situation; 6. Reaffirms that staff members are subject to the authority of the Secretary-General and to assignment by him to any of the activities and offices of the United Nations, in accordance with staff regulation 1.2; 7. Emphasizes the requirement of mobility of all internationally recruited staff of the Organization as an integral part of their obligation, and requests the Secretary-General to give full consideration to the need for greater mobility in the context of human resources planning, in accordance with staff regulation 1.2 (c), and to include any problems in increasing staff mobility and possible measures for their solution, as appropriate, in his report on human resources management to be submitted to the General Assembly at its fifty-fifth session; 8. Requests the Secretary-General to establish mechanisms towards, and to implement a policy of, enhanced mobility across functions, departments and duty stations, and encourages him to explore, through the Administrative Committee on Coordination, the possibility of enhancing mobility among organizations of the United Nations system and to report to the General Assembly at its fifty-fifth session on progress made; IV DELEGATION OF AUTHORITY AND ACCOUNTABILITY Recalling its resolution 49/222 A, by which it endorsed the new strategy for human resources management, 1. Recognizes the need to promote responsibility and accountability of staff members at all levels; 2. Notes the intention of the Secretary-General to streamline administrative procedures further and to eliminate duplication in relation to human resources management through the delegation of authority to programme managers, and requests him to ensure, before delegating such authority, that well designed mechanisms of accountability, including the necessary internal monitoring and control procedures, as well as training, are put in place, and to report thereon to the General Assembly at its fifty-fifth session; /...