Endorses the elements contained in paragraphs (b) and (d) of recommendation 1, and recommendations 2, 3, 4 and 5 of the Joint Inspection Unit (A/54/702); invites the Secretary-General and participating organizations of the UN system, when addressing the issues raised in paragraphs (a) and (c) of recommendation 1, and in recommendations 6, 7 and 8 of the Unit and using the services of private management consulting firms, to take fully into account the relevant provisions of General Assembly resolutions 55/232 and 55/247.