2024—Subsec. (a). Pub. L. 118–49 inserted “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” before “, or both”.

1994—Subsec. (a). Pub. L. 103–322 substituted “fined under this title” for “fined not more than $10,000”.

1976—Subsec. (a). Pub. L. 94–550 inserted “(or in any declaration, certificate, verification, or statement under penalty of perjury as permitted under section 1746 of title 28, United States Code)” after “under oath”.