Regulations last checked for updates: Feb 09, 2026

Title 31 - Money and Finance: Treasury last revised: Jan 02, 2026
§ 340.12 - Reservations as to terms of circular.

The Secretary of the Treasury reserves the right, at any time, or from time to time, to amend, repeal, supplement, revise or withdraw all or any of the provisions of this part.

authority: Sec. 8, 50 Stat. 481, as amended; R.S. 3706; secs. 1, 4, 18, 5, 40 Stat. 288, as amended, 290, as amended, 1309, as amended, 290, as amended; secs. 19, 20, 48 Stat. 343, as amended; 31 U.S.C. 738a,739,752,752a,753,754,754a,754b
source: 27 FR 12481, Dec. 18, 1962, unless otherwise noted.
cite as: 31 CFR 340.12