Tenn. Code Ann. § 8-4-202: Power to subpoena

For these purposes, the comptroller of the treasury is empowered to issue subpoenas or subpoenas duces tecum to require attendance of persons and submission of documents, at specified times and places, to give testimony in the case or matter therein stated. The subpoena shall mention the names of the parties to the hearing and the party at whose instance the witness is called, and, if necessary, require the witness also to bring any books, documents, or other writing under the person's control which may be pertinent to the hearing.