A/RES/59/250 duplication by utilizing, to the maximum extent possible, the common country assessment as their own country-level analytical tool; 49. Reiterates that the ownership and full participation of national authorities in the preparation and development of the Framework are key to guaranteeing that it responds to the national development plans and poverty reduction strategies of the countries concerned, and requests the Secretary-General to develop the Framework and its results matrix where applicable, as the common programming tool for country-level contributions of the funds and programmes towards achieving the MDGs,2 to be fully endorsed and countersigned by the national authorities; 50. Notes the potential of the Framework and its results matrix as the collective, coherent and integrated programming and monitoring framework for the operations of the United Nations development system at the country level, bringing increased opportunities for joint initiatives, including joint programming, and urges the United Nations development system to fully utilize such opportunities in the interest of enhancing aid efficiency and aid effectiveness; 51. Requests the Secretary-General, through the Executive Committee of the United Nations Development Group, in consultation with the United Nations System Chief Executives Board for Coordination, to ensure that United Nations Development Group agencies with multi-year programmes as well as the entities of the Secretariat that carry out operational activities in pursuit of the MDGs,2 fully align their respective programming and monitoring with the Framework, as well as take further steps to harmonize their programming cycles and to synchronize them as far as possible with the national programming instruments, in particular the national poverty reduction strategies, including poverty reduction strategy papers, where they exist; 52. Invites the United Nations system and the Bretton Woods institutions to explore further ways to enhance cooperation, collaboration and coordination, including through the greater harmonization of strategic frameworks, instruments, modalities and partnership arrangements, in full accordance with the priorities of the recipient Governments, and in this regard emphasizes the importance of ensuring, under the leadership of national authorities, greater consistency between the strategic frameworks developed by the United Nations funds and programmes, agencies and the Bretton Woods institutions, while maintaining the institutional integrity and organizational mandates of each organization and the national poverty reduction strategies, including poverty reduction strategy papers, where they exist; B. Resident coordinator system and United Nations country teams 53. Reaffirms that the resident coordinator system, within the framework of national ownership, has a key role to play in the effective and efficient functioning of the United Nations system at the country level, including in the formulation of the common country assessment and the United Nations Development Assistance Framework, and is a key instrument for the efficient and effective coordination of the operational activities for development of the United Nations system, and requests the United Nations system, including the funds and programmes, the specialized agencies and the Secretariat, to enhance support to the resident coordinator system; 54. Urges the United Nations system to provide further financial, technical and organizational support for the resident coordinator system, and requests the Secretary-General, in consultation with the members of the United Nations 9