Mass. Gen. Laws ch. 255C, § 8: Witnesses; summoning; examination; fees

Section 8. In conducting any hearing or investigation pursuant to the provisions of this chapter, the commissioner, or any person duly designated by him, shall have the power at all times to subpoena witnesses; to take depositions of witnesses residing without the state, in the manner provided for in civil actions in courts of record; to pay such witnesses the fees and mileage for their attendance provided for witnesses in civil actions in courts of record; and to administer oaths.