2 U.S.C. § 192 : US Code - Section 192: Refusal of witness to testify or produce papers

Search 2 U.S.C. § 192 : US Code - Section 192: Refusal of witness to testify or produce papers

Every person who having been summoned as a witness by the
authority of either House of Congress to give testimony or to
produce papers upon any matter under inquiry before either House,
or any joint committee established by a joint or concurrent
resolution of the two Houses of Congress, or any committee of
either House of Congress, willfully makes default, or who, having
appeared, refuses to answer any question pertinent to the question
under inquiry, shall be deemed guilty of a misdemeanor, punishable
by a fine of not more than $1,000 nor less than $100 and
imprisonment in a common jail for not less than one month nor more
than twelve months.