CFR›Title 49›Subtitle B›Chapter V›Part 585›Subpart M ContainsSections 585.121–585.127CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart M—Rear Visibility Improvements Reporting Requirements Sections 585.121 § 585.121 Scope. 585.122 § 585.122 Purpose. 585.123 § 585.123 Applicability. 585.124 § 585.124 Definitions. 585.125 § 585.125 Response to inquiries. 585.126 § 585.126 Reporting requirements. 585.127 § 585.127 Records. Source79 FR 19249, Apr. 7, 2014, unless otherwise noted. Previous L Subpart L—Roof Crush Resistance Phase-in Reporting Requirements Next N Subpart N—Minimum Sound Requirements for Hybrid and Electric Vehicles Reporting Requirements