67.3  Refusal to obey subpoena — fees.
  If any witness, duly subpoenaed, refuses to obey said subpoena, or refuses to testify, said commission shall certify said fact to the district court of the county where the investigation is being had and said court shall proceed with said witness in the same manner as though said refusal had occurred in a legal proceeding before said court or judge.
  Witnesses shall be paid in the manner provided for witnesses before the executive council and from the same appropriation.
[C24, 27, 31, 35, 39, §1121; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §67.3]
Contempts, chapter 665 
Payment of witnesses before council, §66.28 
Witness fees, §622.69 – 622.75