2 U.S.C. § 195 : US Code - Section 195: Fees of witnesses in District of Columbia

Search 2 U.S.C. § 195 : US Code - Section 195: Fees of witnesses in District of Columbia

Witnesses residing in the District of Columbia and not in the
service of the government of said District or of the United States,
who shall be summoned to give testimony before any committee of the
House of Representatives, shall not be allowed exceeding $2 for
each day's attendance before said committee.