CFR›Title 23›Chapter III›Part 1340›Subpart A ContainsSections 1340.1–1340.3CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—General Sections 1340.1 § 1340.1 Purpose. 1340.2 § 1340.2 Applicability. 1340.3 § 1340.3 Definitions. Next Appendix A to Part 1340 Appendix A to Part 1340—State Seat Belt Use Survey Reporting Form