CFR›Title 27›Chapter II›Part 479›27 CFR Part 479 Subpart K Citation27 CFR Part 479 Subpart KContainsSections § 479.151–§ 479.152CorpusDaily eCFRDisplayed edition2026-10-15Last updated2026-10-15 Subpart K—Examination of Books and Records Sections § 479.151 § 479.151 Failure to make returns: Substitute returns. § 479.152 § 479.152 Penalties (records and returns). Authority26 U.S.C. 5801-5822; 26 U.S.C. 7801; 26 U.S.C. 7805.Source36 FR 14256, Aug. 3, 1971, unless otherwise noted. Redesignated at 40 FR 16835, Apr. 15, 1975, and further redesignated by T.D. ATF-487, 68 FR 3752, Jan. 24, 2003. Previous J Subpart J—Stolen or Lost Firearms or Documents Next L Subpart L—Distribution and Sale of Stamps