CFR›Title 20›Chapter V›Part 606›Subpart A ContainsSections 606.1–606.6CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—General Sections 606.1 § 606.1 Purpose and scope. 606.2 § 606.2 Total credits allowable. 606.3 § 606.3 Definitions. 606.4 § 606.4 Redelegation of authority. 606.5 § 606.5 Verification of estimates and review of determinations. 606.6 § 606.6 Information, reports, and studies. Next C Subpart C—Relief From Tax Credit Reduction