CFR›Title 26›Chapter I›Part 601›Subpart F ContainsSections 601.601–601.602CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart F—Rules, Regulations, and Forms Sections 601.601 § 601.601 Rules and regulations. 601.602 § 601.602 Tax forms and instructions. Previous E Subpart E—Conference and Practice Requirements Next G Subpart G—Records (Note)