A Tennessee Civil Subpoena — General Sessions is a legal document issued by a court or other authority to require the attendance of a witness or party to a civil case. It is a written order compelling a person to appear before a court or other tribunal to give testimony or produce documents. There are three types of Tennessee Civil Subpoena — General Sessions: SubpoenDuckseCecumum, Subpoena Ad Testificandum, and Subpoena Quo Warrant. The Subpoena Ducks Cecum requires a witness to produce documents or records, while the Subpoena Ad Testificandum orders the witness to appear in court to give testimony. The Subpoena Quo Warrant is an order to appear in court and defend a legal claim.