18 U.S.C. § 1621 : US Code - Section 1621: Perjury generally

Search 18 U.S.C. § 1621 : US Code - Section 1621: Perjury generally

      Whoever - 
        (1) having taken an oath before a competent tribunal, officer,
      or person, in any case in which a law of the United States
      authorizes an oath to be administered, that he will testify,
      declare, depose, or certify truly, or that any written testimony,
      declaration, deposition, or certificate by him subscribed, is
      true, willfully and contrary to such oath states or subscribes
      any material matter which he does not believe to be true; or
        (2) in any declaration, certificate, verification, or statement
      under penalty of perjury as permitted under section 1746 of title
      28, United States Code, willfully subscribes as true any material
      matter which he does not believe to be true;

    is guilty of perjury and shall, except as otherwise expressly
    provided by law, be fined under this title or imprisoned not more
    than five years, or both. This section is applicable whether the
    statement or subscription is made within or without the United
    States.