* national econumic co-oper.ition and development in a comprehensive and effective manner, in pursuance of General Assembly resolutions 3172 (XXVIII) of 17 December 1973 and 3343 (XXIX) of 17 December 197 4, and to make it more responsive to the requirements of the provisions of the Declaration and the Programme of Action on the Establishment of a New International Economic Order as well as those of the Charter of Economic Rights and Duties of States, an Ad Hoe Committee on the Restructuring of the Economic and Social Sectors of the United Nations System, which shall be a committee of the whole of the General Assembly open to the participation of all States, u; is hereby established to prepare detailed action propusals. The Ad l-loc Committee should start its work immediately and inform the General Assembly at its thirtieth session on the progress made, and submit its report to the Assembly at its thirty-first ses'.'ion, through the Economic and Scicial Council at its resumed session. The Ad Hoe Committee should take into account in its work, inter alia, the relevant proposals and documentation submitted in preparation for the seventh special session of the General Assembly pursuant to Assembly resolution 3343 (XXIX) and other relevant decisions, including the report of the Group of Experts on the Structure of the United Nations System entitled A New United Nations Structure for Global Economic Co-operation, 17 the records of the relevant deliberations of the Economic and Social Council, the Trade and Development Board, the Governing Council of the United Nations Development Programme and the seventh special sc~sion of the General Assembly, as well as the results of the forthcoming deliberations on institutional arrangements of the United Nations Conference on Trade and Development at its fourth session and of the Governing Council of the United Nations Environment Programme at its fourth session. All United Nations organs, including the regional commissions, as well as the specialized agencies and the International Atomic Energy Agency, are invited to participate at the executive level in the work of the Ad Hoe Committee and to respond to requests that the Committee may make to them for information, data or views.