CFR›Title 14›Chapter II›Part 258 ContainsSections 258.1–258.6CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 258—DISCLOSURE OF CHANGE-OF-GAUGE SERVICES Sections 258.1 § 258.1 Purpose. 258.2 § 258.2 Applicability. 258.3 § 258.3 Definitions. 258.4 § 258.4 Unfair and deceptive practice. 258.5 § 258.5 Notice requirement. 258.6 § 258.6 Effective and compliance dates. Authority49 U.S.C. 40113(a) and 41712.Source64 FR 12860, Mar. 15, 1999, unless otherwise noted. Previous 257 Part 257—Disclosure of Code-Sharing Arrangements and Long-Term Wet Leases Next 259 Part 259—Enhanced Protections for Airline Passengers