# 31 CFR § 601.4: Distinctive counterfeit deterrents

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-31-601.4

## Section

- **Citation:** 31 CFR § 601.4
- **Heading:** Distinctive counterfeit deterrents
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** 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

## Text

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.

## Nearby sections

- [31 CFR § 601.1 § 601.1 Notice and scope.](https://www.frixlaw.com/law-library/statutes/ecfr-31-601.1.md)
- [31 CFR § 601.2 § 601.2 Distinctiveness requirement.](https://www.frixlaw.com/law-library/statutes/ecfr-31-601.2.md)
- [31 CFR § 601.3 § 601.3 Distinctive paper.](https://www.frixlaw.com/law-library/statutes/ecfr-31-601.3.md)
- [31 CFR § 601.4 § 601.4 Distinctive counterfeit deterrents.](https://www.frixlaw.com/law-library/statutes/ecfr-31-601.4.md)
- [31 CFR § 601.5 § 601.5 Penalty for Unauthorized Control or Possession.](https://www.frixlaw.com/law-library/statutes/ecfr-31-601.5.md)
- [31 CFR § 605.1 § 605.1 Conduct on Bureau of Engraving and Printing property.](https://www.frixlaw.com/law-library/statutes/ecfr-31-605.1.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-31-601.4. Check the current official text before relying on it. Not legal advice.