Regulations last checked for updates: Feb 12, 2026

Title 31 - Money and Finance: Treasury last revised: Jan 02, 2026
§ 539.504 - 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.

[87 FR 78472, Dec. 21, 2022]
authority: 3 U.S.C. 301; 22 U.S.C. 2751-2799aa-2; 31 U.S.C. 321(b); 50 U.S.C. 1601-1651,1701; Pub. L. 101-410, 104 Stat. 890, as amended (28 U.S.C. 2461 note); E.O. 12938, 59 FR 59099, 3 CFR, 1994 Comp., p. 950; E.O. 13094, 63 FR 40803, 3 CFR, 1998 Comp., p. 200; E.O. 13382, 70 FR 38567, 3 CFR, 2005 Comp., p. 170
source: 64 FR 8716, Feb. 23, 1999, unless otherwise noted.
cite as: 31 CFR 539.504