Wisconsin Subpoena to Appear and Testify at a Hearing or Trial in a Civil Action is a legal document issued by a Wisconsin court to a person or entity to require them to appear in court for a hearing or trial in a civil action. If a person or entity fails to appear or respond to the subpoena, they may face legal consequences, including the possibility of being held in contempt of court. There are two types of Wisconsin Subpoena to Appear and Testify at a Hearing or Trial in a Civil Action: 1. A Subpoena Ducks Cecum: This type of subpoena requires a person or entity to produce documents or other tangible evidence to the court for a hearing or trial in a civil action. 2. A Subpoena Ad Testificandum: This type of subpoena requires a person or entity to appear in court for a hearing or trial to give testimony and answer questions.