Utah Code § 36-14-3
§ 36-14-3. Contents.
Each legislative subpoena shall include: (1) the name of the legislative body or office on whose behalf the subpoena is issued; (2) the signature of the issuer; (3) a command to the person or entity to whom the subpoena is addressed to: (a) appear and testify at the time and place set forth in the subpoena; (b) appear and testify at the time and place designated in the subpoena and produce accounts, books, papers, documents, electronically stored information, or tangible things designated in the subpoena; or (c) produce accounts, books, papers, documents, electronically stored information, or tangible things designated in the subpoena at the time and place designated in the subpoena.