CFR›Title 45›Subtitle B›Chapter XVI›Part 1631›Subpart A ContainsSections 1631.1–1631.5CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—General Provisions Sections 1631.1 § 1631.1 Purpose. 1631.2 § 1631.2 Definitions. 1631.3 § 1631.3 Prior approval process. 1631.4 § 1631.4 Use of funds. 1631.5 § 1631.5 Recipient policies, procedures, and recordkeeping. Next B Subpart B—Procurement Policies and Procedures