CFR›Title 43›Subtitle B›Chapter I›Part 420 ContainsSections 420.1–420.5; Subparts A–BCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 420—OFF-ROAD VEHICLE USE Contents 420.1 § 420.1 Objectives. 420.2 § 420.2 General closure. 420.3 § 420.3 Adjacent lands. 420.4 § 420.4 Enforcement. 420.5 § 420.5 Definitions. A Subpart A—Operating Criteria Sections 420.11–420.12 B Subpart B—Designated Areas and Permitted Events Sections 420.21–420.25 Authority32 Stat. 388 (43 U.S.C. 391 et seq.) and acts amendatory thereof and supplementary thereto; E.O. 11644 (37 FR 2877).Source39 FR 26893, July 24, 1974, unless otherwise noted. Previous 419 Part 419—Truckee River Operating Agreement Next 422 Part 422—Law Enforcement Authority at Bureau of Reclamation Projects