The commissioner may make, or cause to be made, such investigations as he deems necessary in the administration of the Department of Institutions and Agencies. For the purpose of any such investigation he may cause to be examined under oath any and all persons whatsoever and compel by subpena the attendance of witnesses and the production of such books, records, accounts, papers and other documents as are appropriate. If a witness fails without good cause to attend, testify or produce such records or documents as directed in the subpena, he shall be punished in the manner provided for the punishment of any witness who disobeys a summons or subpena issued from a court of record in this State.
N.J.S. § 30:1-12.1