CFR›Title 5›Chapter I›Part 337 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-23Last updated2026-04-23 PART 337—EXAMINING SYSTEM Subparts A Subpart A—General Provisions Sections 337.101–337.102 B Subpart B—Direct-Hire Authority Sections 337.201–337.206 C Subpart C—Category Rating Sections 337.301–337.304 Authority5 U.S.C. 1104(a), 1302, 2302, 3301, 3302, 3304, 3319, 5364; E.O. 10577, 3 CFR 1954-1958 Comp., p. 218; 33 FR 12423, Sept. 4, 1968; and 45 FR 18365, Mar. 21, 1980; 116 Stat. 2135, 2290; 117 Stat. 1392, 1665; and E.O. 13833. Previous 335 Part 335—Promotion and Internal Placement Next 338 Part 338—Qualification Requirements (General)