CFR›Title 14›Chapter III›Part 406 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 406—INVESTIGATIONS, ENFORCEMENT, AND ADMINISTRATIVE REVIEW Subparts A Subpart A—Investigations and Enforcement Sections 406.1–406.100 B Subpart B—Rules of Practice in FAA Space Transportation Adjudications Sections 406.101–406.179 Authority51 U.S.C. 50901-50923.SourceDocket No. FAA-2001-8607, 66 FR 2180, Jan. 10, 2001, unless otherwise noted. Previous 405 Part 405—Compliance and Enforcement Next 413 Part 413—License Application Procedures