CFR›Title 40›Chapter I›Part 205›Subpart A ContainsSections 205.1–205.5-3CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart A—General Provisions Sections 205.1 § 205.1 General applicability. 205.2 § 205.2 Definitions. 205.3 § 205.3 Number and gender. 205.4 § 205.4 Inspection and monitoring. 205.5 § 205.5 Exemptions. 205.5-1 § 205.5-1 Testing exemption. 205.5-2 § 205.5-2 National security exemptions. 205.5-3 § 205.5-3 Export exemptions. Next Appendix I to Subparts D-E of Part 205 [Note] Appendix I to Subparts D-E of Part 205—Motorcycle Noise Emission Test Procedures [Note]