CFR›Title 40›Chapter I›Part 243›Subpart A ContainsSections 243.100–243.101CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart A—General Provisions Sections 243.100 § 243.100 Scope. 243.101 § 243.101 Definitions. Next Appendix to Part 243 Appendix to Part 243—Recommended Bibliography