R.I. Gen. Laws § 28-14-15: Subpoena powers.

The director and his or her authorized representatives 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.