Regulations last checked for updates: Jul 08, 2025

Title 31 - Money and Finance: Treasury last revised: Jul 01, 2025
§ 528.509 - Official business of the United States government.

All transactions prohibited by this part that are for the conduct of the official business of the United States government by employees, grantees, or contractors thereof are authorized.

authority: 3 U.S.C. 301; 31 U.S.C. 321(b); 50 U.S.C. 1601-1651,1701; 28 U.S.C. 2461 note (Pub. L. 101-410, 104 Stat. 890, as amended); E.O. 14203, 90 FR 9369
source: 90 FR 28013, July 1, 2025, unless otherwise noted.
cite as: 31 CFR 528.509