Home › CFR › Title 5 › Part 1639 › §1639.15 CFR §1639.1 — Authority.Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe regulations of this part are issued under 5 U.S.C. 8474 and 31 U.S.C. 3711, 3716, 3720A, and 3720D.