31 CFR 601.4: Distinctive counterfeit deterrents.
Where this section sits in the code
- Title 31—Money and Finance: Treasury
- Subtitle B—Regulations Relating to Money and Finance
- CHAPTER VI—BUREAU OF ENGRAVING AND PRINTING, DEPARTMENT OF THE TREASURY
- PART 601—DISTINCTIVE PAPER AND DISTINCTIVE COUNTERFEIT DETERRENTS FOR UNITED STATES FEDERAL RESERVE NOTES
The distinctive counterfeit deterrents that may be used in the denominations of United States Federal Reserve notes as prescribed by the Secretary of the Treasury are:
(a) Security threads containing graphics consisting of the designation “USA” and the denomination of the currency note, expressed in alphabetic or numeric characters.
(b) Optically variable inks with material characteristics.
(c) Non-visual characteristic inks with material characteristics.
(d) Optically variable thread (three-dimensional (3-D) security ribbon and micro-optic stripe) visible in front or back of the currency note.
(e) Non-visual characteristic features with material characteristics.
Collected 2026-08-27T02:25:25Z. Source file · JSON