[Code of Federal Regulations] [Title 5, Volume 1] [Revised as of January 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR591.206] [Page 674] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER I--OFFICE OF PERSONNEL MANAGEMENT PART 591--ALLOWANCES AND DIFFERENTIALS--Table of Contents Subpart B--Cost-of-Living Allowance and Post Differential--Nonforeign Areas Sec. 591.206 Establishment of allowance rates. (a) OPM uses the comparative cost indexes for each allowance area to determine the allowance rates for that area. The range of values within which the index value falls determines the appropriate allowance rate, expressed as a percentage of the rate of basic pay for that category of eligible employee. (b) The following table shows the comparative index range and corresponding allowance rate to be established for an allowance category under Sec. 591.207 of this part: Comparative Index and Allowance Rate Table ------------------------------------------------------------------------ Allowance Index range rate (percent) ------------------------------------------------------------------------ Less than 105.0........................................... 0 105.0 to 106.2............................................ 5 106.3 to 108.7............................................ 7.5 108.8 to 111.2............................................ 10 111.3 to 113.7............................................ 12.5 113.8 to 116.2............................................ 15 116.3 to 118.7............................................ 17.5 118.8 to 121.2............................................ 20 121.3 to 123.7............................................ 22.5 123.8 and over............................................ 25 ------------------------------------------------------------------------ (c) Allowance area survey summaries, category indexes, and allowance rates are published as notices in the Federal Register.