R.I. Gen. Laws § 28-27-22.2: Subpoena powers.

Prior to or during a hearing the director and division chief shall have the power to administer oaths and examine witnesses under oath, issue subpoenas, subpoenas duces tecum, 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 the director.