Regulations last checked for updates: Feb 21, 2025

Title 31 - Money and Finance: Treasury last revised: Jan 17, 2025
authority: Sec. 3, 23 Stat. 258, secs. 2-12, 60 Stat. 237
source: Department Circular 230, Revised, 31 FR 10773, Aug. 13, 1966, unless otherwise noted.