CFR›Title 5›Chapter I›Part 5 ContainsSections 5.1–5.4CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 5—REGULATIONS, INVESTIGATION, AND ENFORCEMENT (RULE V) Sections 5.1 § 5.1 Civil Service regulations. 5.2 § 5.2 Investigation and evaluations. 5.3 § 5.3 Enforcement. 5.4 § 5.4 Information and testimony. Authority5 U.S.C. 3301, 3302; E.O. 12107.Source45 FR 4337, Jan. 22, 1980, unless otherwise noted. Previous 4 Part 4—Prohibited Practices (Rule IV) Next 6 Part 6—Exceptions from the Competitive Service (Rule VI)