2 USC § 195b. Fees for witnesses requested to appear before Majority Policy Committee or Minority Policy Committee
Any witness requested to appear before the Majority Policy Committee or the Minority Policy Committee shall be entitled to a witness fee for each full day spent in traveling to and from the place at which he is to appear, and reimbursement of actual and necessary transportation expenses incurred in traveling to and from that place, at rates not to exceed those rates paid witnesses appearing before committees of the Senate.
(Pub. L. 93–371, §7, Aug. 13, 1974, 88 Stat. 431.)