Va. Code Ann. § 60.2-626

In the discharge of the duties imposed by this title, the chairman of an appeal tribunal and any duly authorized representative or member of the Commission shall have power to administer oaths and affirmations, take depositions, certify to official acts, and issue subpoenas to compel the attendance of witnesses and the production of books, papers, correspondence, memoranda, and other records deemed necessary as evidence in connection with a disputed claim or the administration of this title.