67.2  Power of commission.
  Said commissioners while in session shall have power to issue subpoenas, to call any person to testify in reference to any fact connected with their investigation, and to require such persons to produce any paper or book which the district court might require to be produced. Each commissioner shall have power to administer oaths.
[R60, §54; C73, §765; C97, §1260; C24, 27, 31, 35, 39, §1120; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §67.2]