# 18 U.S.C. § 1623: False declarations before grand jury or court

> Federal · Statutes · In force

URL: https://www.frixlaw.com/law-library/statutes/usc_t18_s1623

## Section

- **Citation:** 18 U.S.C. § 1623
- **Heading:** False declarations before grand jury or court
- **Jurisdiction:** Federal
- **Kind:** Statutes
- **Status:** In force
- **Text as of:** May 4, 2026
- **Source:** Publisher's official text
- **Location:** Title 18—CRIMES AND CRIMINAL PROCEDURE > PART I—CRIMES > CHAPTER 79—PERJURY

## Text

Whoever under oath (or in any declaration, certificate, verification, or statement under penalty of perjury as permitted under section 1746 of title 28 , United States Code) in any proceeding before or ancillary to any court or grand jury of the United States knowingly makes any false material declaration or makes or uses any other information, including any book, paper, document, record, recording, or other material, knowing the same to contain any false material declaration, shall be fined under this title or imprisoned not more than five years or, if such proceedings are before or ancillary to the Foreign Intelligence Surveillance Court or the Foreign Intelligence Surveillance Court of Review established by section 103 of the Foreign Intelligence Surveillance Act of 1978 ( 50 U.S.C. 1803 ), imprisoned not more than ten years, or both.

(Added Pub. L. 91–452, title IV, § 401(a) , Oct. 15, 1970 , 84 Stat. 932 ; amended Pub. L. 94–550, § 6 , Oct. 18, 1976 , 90 Stat. 2535 ; Pub. L. 103–322, title XXXIII, § 330016(1)(L) , Sept. 13, 1994 , 108 Stat. 2147 ; Pub. L. 118–49, § 13(d) , Apr. 20, 2024 , 138 Stat. 882 .)

## Nearby sections

- [18 U.S.C. § 1 Repealed. Pub. L. 98–473, title II, § 218(a)(1) , Oct. 12, 1984 , 98 Stat. 2027 ]](https://www.frixlaw.com/law-library/statutes/usc_t18_s1.md)
- [18 U.S.C. § 3 Accessory after the fact](https://www.frixlaw.com/law-library/statutes/usc_t18_s3.md)
- [18 U.S.C. § 8 Obligation or other security of the United States defined](https://www.frixlaw.com/law-library/statutes/usc_t18_s8.md)
- [18 U.S.C. § 9 Vessel of the United States defined](https://www.frixlaw.com/law-library/statutes/usc_t18_s9.md)
- [18 U.S.C. § 10 Interstate commerce and foreign commerce defined](https://www.frixlaw.com/law-library/statutes/usc_t18_s10.md)
- [18 U.S.C. § 12 United States Postal Service defined](https://www.frixlaw.com/law-library/statutes/usc_t18_s12.md)
- [18 U.S.C. § 13 Laws of States adopted for areas within Federal jurisdiction](https://www.frixlaw.com/law-library/statutes/usc_t18_s13.md)
- [18 U.S.C. § 14 Repealed. Pub. L. 107–273, div. B, title IV, § 4004(a) , Nov. 2, 2002 , 116 Stat. 1812 ]](https://www.frixlaw.com/law-library/statutes/usc_t18_s14.md)
- [18 U.S.C. § 15 Obligation or other security of foreign government defined](https://www.frixlaw.com/law-library/statutes/usc_t18_s15.md)
- [18 U.S.C. § 16 Crime of violence defined](https://www.frixlaw.com/law-library/statutes/usc_t18_s16.md)
- [18 U.S.C. § 17 Insanity defense](https://www.frixlaw.com/law-library/statutes/usc_t18_s17.md)
- [18 U.S.C. § 19 Petty offense defined](https://www.frixlaw.com/law-library/statutes/usc_t18_s19.md)
- [18 U.S.C. § 21 Stolen or counterfeit nature of property for certain crimes defined](https://www.frixlaw.com/law-library/statutes/usc_t18_s21.md)
- [18 U.S.C. § 24 Definitions relating to Federal health care offense](https://www.frixlaw.com/law-library/statutes/usc_t18_s24.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/usc_t18_s1623. Check the current official text before relying on it. Not legal advice.