Requests the Secretary-General, in consultation with the specialized agencies and other bodies in the United Nations system, to include as part of the report to be submitted to the Economic and Social Council at its forty-ninth session, as requested in its resolution 1454 (XLVII) of 8 August 1969, an examination of the existing Secretari~t machinery for providing scientific and technical advice in the United Nations system and to prepare recommendations for its reorganization in a way which will enable it to contribute most effectively to the selection of priorities and to the planning and programming of United Nations activities designed to meet the growing and changing needs of the United Nations system, of the intemational community and of Member States;