CFR›Title 27›Chapter II›Part 479›Subpart O ContainsSections 479.191–479.193CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 Subpart O—Other Laws Applicable Sections 479.191 § 479.191 Applicability of other provisions of internal revenue laws. 479.192 § 479.192 Commerce in firearms and ammunition. 479.193 § 479.193 Arms Export Control Act. Previous N Subpart N—Penalties and Forfeitures