A/RES/52/212 Page 3 8. Reiterates its request that the Office of the United Nations High Commissioner for Refugees comply fully with the United Nations system accounting standards; 9. Expresses concern at the observations made by the Board of Auditors, in paragraphs 79 to 98 of its report, regarding the use of consultants, and endorses its recommendations thereon;8 10. Recommends, in accordance with the relevant recommendations in the report of the Advisory Committee, that the Office of the High Commissioner take immediate steps to improve its contracting policy, to prepare more precise terms of reference and to establish and maintain an updated central roster;9 11. Requests the Office of the High Commissioner fully to observe and implement the established procedure for procurement, including procurement of goods and services from as wide a geographical basis as possible, and the provisions of General Assembly resolution 51/231 of 13 June 1997. 79th plenary meeting 22 December 1997 8 Official Records of the General Assembly, Fifty-second Session, Supplement No. 5E (A/52/5/Add.5), sect. I.C. 9 A/52/518, para. 12.