(1) The commissioner, or the banking board, has the power to subpoena witnesses, compel their attendance, require the production of evidence, administer an oath, and examine any person under oath in connection with any subject relating to a duty imposed upon, or a power vested in, the commissioner or the banking board.
(2) In case of a refusal of any person to comply with a lawful subpoena or order of the commissioner or of the banking board issued pursuant to this section, upon proper petition by the commissioner or the banking board to the district court, the court shall require compliance therewith, and further refusal shall be punishable as contempt of court.