Section 5.401 - Payment of witness fees and allowances(a) Duly subpoenaed witnesses, other than Federal government employees, may apply for payment of their attendance as witnesses at an investigation or hearing conducted pursuant to this part by submitting a request for payment (Standard Form 1157) accompanied by any necessary receipts.(b) Fees and allowances will be paid as provided by 28 U.S.C. 1821 , except that a person called to testify as an expert witness may be paid a higher fee to be fixed by the District Commander.CGD 82-002, 50 FR 32184, Aug. 9, 1985; 50 FR 35228, Aug. 30, 1985