CFR›Title 27›Chapter I›Part 31›27 CFR Part 31 Subpart A Citation27 CFR Part 31 Subpart AContainsSections § 31.1–§ 31.4CorpusDaily eCFRDisplayed edition2026-09-23Last updated2026-09-23 Subpart A—General Provisions Sections § 31.1 § 31.1 Definitions. § 31.2 § 31.2 Territorial extent. § 31.3 § 31.3 Basic permit requirements. § 31.4 § 31.4 Relation to State and municipal law. Authority26 U.S.C. 5001, 5002, 5121, 5122-5124, 5131, 5132, 5206, 5207, 5273, 5301, 5352, 5555, 5603, 5613, 5681, 5687, 6061, 6065, 6071, 6091, 6103, 6109, 6723, 6724, 7805.SourceT.D. TTB-79, 74 FR 37407, July 28, 2009, unless otherwise noted.