Iowa Code § 67.3: Refusal to obey subpoena — fees.

1. If any witness, duly subpoenaed, refuses to obey the subpoena, or refuses to testify, the commission shall certify the fact to the district court of the county where the investigation is taking place. The court shall proceed with the witness in the same manner as though the refusal had occurred in a legal proceeding before the court or judge.

2. Witnesses shall be paid in the manner provided for witnesses before the executive council and from the same appropriation.