1. Each witness who appears and is prepared to testify before a committee in compliance with a legislative subpoena, except a state officer or employee, is entitled to receive for such attendance, whether or not the witness testifies, the fees and mileage provided for witnesses in civil cases in the district court.
2. The fees and mileage must be audited and paid upon the presentation of proper claims sworn to by the witness and approved by the chair of the committee.