CFR›Title 27›Chapter II›Part 646›Subject Group General ContainsSections § 646.141–§ 646.143CorpusDaily eCFRDisplayed edition2026-08-04Last updated2026-08-04 Sections § 646.141 § 646.141 Scope of part. § 646.142 § 646.142 Territorial extent. § 646.143 § 646.143 Meaning of terms.