In the enforcement of the provisions of this subtitle, the department shall have power to issue subpoenas for witnesses, enforce their attendance, and examine them under oath. The witnesses shall be allowed the same fees as witnesses in district court. The fees shall be paid out of the contingent fund of the department.
Iowa Code § 189.8
94 Acts, ch 1023, §23; 2003 Acts, ch 69, §31; 2012 Acts, ch 1095, § 70
Witness fees, §622.69 - 622.75