CFR›Title 16›Chapter II›Part 1631›Subpart A ContainsSections 1631.1–1631.5CorpusDaily eCFRDisplayed edition2026-05-07Last updated2026-05-07 Subpart A—The Standard Sections 1631.1 § 1631.1 Definitions. 1631.2 § 1631.2 Scope and application. 1631.3 § 1631.3 General requirements. 1631.4 § 1631.4 Test procedure. 1631.5 § 1631.5 Labeling requirements. AuthoritySec. 4, 67 Stat. 112, as amended, 81 Stat. 569-70; 15 U.S.C. 1193. Next B Subpart B—Rules and Regulations