CFR›Title 26›Chapter I›Part 44›Subpart D›Subject Group Miscellaneous Provisions ContainsSections § 44.4421-1–§ 44.4422-1CorpusDaily eCFRDisplayed edition2026-10-16Last updated2026-10-16 Sections § 44.4421-1 § 44.4421-1 Definitions. § 44.4422-1 § 44.4422-1 Doing business in violation of Federal or State law.