CFR›Title 13›Chapter IV›Part 400›13 CFR Part 400 Subpart A Citation13 CFR Part 400 Subpart AContainsSections § 400.1–§ 400.2CorpusDaily eCFRDisplayed edition2026-08-05Last updated2026-08-05 Subpart A—General Sections § 400.1 § 400.1 Purpose. § 400.2 § 400.2 Definitions. AuthorityPub. L. 106-51, 113 Stat. 252 (15 U.S.C. 1841 note); Pub. L. 106-102, 113 Stat. 1338.Source64 FR 57933, Oct. 27, 1999, unless otherwise noted.