A/RES/53/12 Page 3 headquarters, and to revert to the issue of the other proposed positions in the context of its consideration of the information requested in paragraph 7 above; 9. Takes note of the observations contained in paragraph 21 of the report of the Advisory Committee,3 and decides to establish one post at the P-4 level for the Office of Internal Oversight Services of the Secretariat; 10. Regrets that a comprehensive review of the issues raised in its resolutions 50/221 B, 51/239 A and B and 52/248 has not been carried out, and requests the Secretary-General, in the context of his support account submission for the period from 1 July 1999 to 30 June 2000, to give a detailed account of the implementation of these and the current resolutions, including the revised structures of those departments involved in backstopping peacekeeping operations, redeployment, duplication, overlap, fragmentation, the evolution in peacekeeping trends, changes in workload and other issues raised by the Advisory Committee in paragraphs 8, 15, 27, 34, 35 and 41 of its report,3 and to report to the General Assembly thereon. 43rd plenary meeting 26 October 1998