Subpart B - Cost-of-Living Allowance and Post Differential - Nonforeign Areas Authority:5 U.S.C. 5941; E.O. 10000, 3 CFR, 1943-1948 Comp., p. 792; and E.O. 12510, 3 CFR, 1985 Comp., p. 338. Source:67 FR 22340, May 3, 2002, unless otherwise noted. Editorial Note:Nomenclature changes to subpart B of part 591 appear at 70 FR 31313, May 31, 2005.