A/RES/55/223 3. Approves increases in the maximum reimbursement levels in five currency areas, as well as other adjustments to the management of expenses under the education grant, as contained in paragraph 93 of its report;1 4. Takes note of the decisions of the Commission as contained in paragraphs 94 and 95 of its report;1 F. Common scale of staff assessment Recalling its resolutions 48/225 of 23 December 1993 and 51/216, Takes note of the decisions of the Commission as contained in paragraph 102 of its report;1 II Conditions of service of staff in the Professional and higher categories A. Noblemaire principle and its application Recalling its resolution 44/198 of 21 December 1989 and other relevant resolutions, 1. Reaffirms the continued application of the Noblemaire principle; 2. Also reaffirms the need to continue to ensure the competitiveness of the conditions of service of the United Nations common system; B. Grade equivalencies between the United States federal civil service and the United Nations common system Recalling section I.A of its resolution 50/208 of 23 December 1995, 1. Takes note of the updated grade equivalency study undertaken in 2000 by the Commission with the United States federal civil service; 2. Also takes note of the decisions of the Commission in respect of the grade equivalency study undertaken in 2000 with the comparator civil service as contained in paragraph 149 of its report;1 C. Evolution of the margin Recalling section I.B of its resolution 52/216 and the standing mandate from the General Assembly, in which the Commission is requested to continue its review of the relationship between the net remuneration of the United Nations staff in the Professional and higher categories in New York and that of the comparator civil service (the United States federal civil service) employees in comparable positions in Washington, D.C. (referred to as “the margin”), Recalling also section IX, paragraph 3, of its resolution 46/191 A of 20 December 1991, in which it requested the Commission to include in its work a review of the differences between the United Nations and the United States net remuneration at individual grade levels, 3