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2026-07-06 10:51:44 -04:00

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LegalText 28 U.S.C. § 2403 Intervention by United States or a State; constitutional question us united_states_code code_section 28 JUDICIARY AND JUDICIAL PROCEDURE 161 UNITED STATES AS PARTY GENERALLY 2403 28 U.S.C. § 2403 current 119-100 2026-06-26 official https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc28@119-100.zip /us/usc/t28/s2403 data/legal/raw/us/code/title-28/usc28.xml dbc64f498626bb53cdcb9af5497b37261088cb37a81f06933b8af7e09cff5716 3390f867a2c02f5d0c496269da780795fe19663a090a3040c64a9ee0a541cdcf e76467c3bb7ee1349a9da782ee3b583e690cb062204538d8f60c56adedfc0e4c 2026-07-04 official
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28 U.S.C. § 2403 - Intervention by United States or a State; constitutional question

Text

(a) In any action, suit or proceeding in a court of the United States to which the United States or any agency, officer or employee thereof is not a party, wherein the constitutionality of any Act of Congress affecting the public interest is drawn in question, the court shall certify such fact to the Attorney General, and shall permit the United States to intervene for presentation of evidence, if evidence is otherwise admissible in the case, and for argument on the question of constitutionality. The United States shall, subject to the applicable provisions of law, have all the rights of a party and be subject to all liabilities of a party as to court costs to the extent necessary for a proper presentation of the facts and law relating to the question of constitutionality.

(b) In any action, suit, or proceeding in a court of the United States to which a State or any agency, officer, or employee thereof is not a party, wherein the constitutionality of any statute of that State affecting the public interest is drawn in question, the court shall certify such fact to the attorney general of the State, and shall permit the State to intervene for presentation of evidence, if evidence is otherwise admissible in the case, and for argument on the question of constitutionality. The State shall, subject to the applicable provisions of law, have all the rights of a party and be subject to all liabilities of a party as to court costs to the extent necessary for a proper presentation of the facts and law relating to the question of constitutionality.

(June 25, 1948, ch. 646, 62 Stat. 971; Pub. L. 94381, § 5, Aug. 12, 1976, 90 Stat. 1120.)

Notes

Historical and Revision NotesBased on title 28, U.S.C., 1940 ed., § 401 (Aug. 24, 1937, ch. 754, § 1, 50 Stat. 751). Word “action” was added before “suit or proceeding”, in view of Rule 2 of the Federal Rules of Civil Procedure. Since this section applies to all Federal courts, the word “suit” was not required to be deleted by such rule. “Court of the United States” is defined in section 451 of this title. Direct appeal from decisions invalidating Acts of Congress is provided by section 1252 of this title. Changes were made in phraseology.

Editorial Notes

Amendments1976—Pub. L. 94381, § 5(b), inserted “or a State” after “United States” in section catchline. Subsecs. (a), (b). Pub. L. 94381, § 5(a), designated existing provisions as subsec. (a) and added subsec. (b).

Statutory Notes and Related Subsidiaries

Effective Date of 1976 AmendmentAmendment by Pub. L. 94381 not applicable to any action commenced on or before Aug. 12, 1976, see section 7 of Pub. L. 94381, set out as a note under section 2284 of this title.