(b) The commissioner or his authorized representatives shall have power to administer oaths and examine witnesses under oath, issue subpoenas, compel the attendance of witnesses, and the production of papers, books, accounts, records, payrolls, documents and testimony, and to take depositions and affidavits in any proceeding before said commissioner.
(c) In case of failure of any person to comply with any subpoena lawfully issued, or on the refusal of any witness to testify to any matter regarding which he may be lawfully interrogated, it shall be the duty of the circuit court, on application by the commissioner, to compel obedience by attachment proceedings for contempt, as in the case of disobedience of the requirements of a subpoena issued from such court or a refusal to testify therein.