CFR›Title 5›Chapter I›Part 11 ContainsSections 11.1–11.6CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 11—PROBATIONARY AND TRIAL PERIODS (RULE XI) Sections 11.1 § 11.1 Scope. 11.2 § 11.2 Probationary period; when required. 11.3 § 11.3 Trial period; when required. 11.4 § 11.4 Crediting service. 11.5 § 11.5 Completion of probationary or trial period. 11.6 § 11.6 Appeals. Authority5 U.S.C. 3301, 3302; E.O. 14284, 90 FR 17729.SourceE.O. 14284, 90 FR 17729, Apr. 29, 2025, unless otherwise noted. Previous 10 Part 10—Agency Accountability Systems; OPM Authority to Review Personnel Management Programs (Rule X) Next 110 Part 110—Posting Notices of New OPM Regulations