I ended up looking it up myself: https://www.law.cornell.edu/uscode/text/18/1001

    18 U.S. Code § 1001 - Statements or entries generally
    
    Current through Pub. L. 114-38. (See Public Laws for the current Congress.)
    
    (a) Except as otherwise provided in this section, whoever, in any matter
    within the jurisdiction of the executive, legislative, or judicial branch
    of the Government of the United States, knowingly and willfully—
    (1) falsifies, conceals, or covers up by any trick, scheme, or device a material fact;
    (2) makes any materially false, fictitious, or fraudulent statement or representation; or
    (3) makes or uses any false writing or document knowing the same to 
    contain any materially false, fictitious, or fraudulent statement or entry;
    shall be fined under this title, imprisoned not more than 5 years or, if
    the offense involves international or domestic terrorism (as defined in 
    section 2331), imprisoned not more than 8 years, or both. If the matter 
    relates to an offense under chapter 109A, 109B, 110, or 117, or section 
    1591, then the term of imprisonment imposed under this section shall be 
    not more than 8 years.