Washington Return of Subpoena is a legal document issued by a court in Washington. It requires the recipient to appear before the court and answer questions or provide evidence related to a legal proceeding. There are three types of Washington Return of Subpoena: Subpoena Ducks Cecum, Subpoena Ad Testificandum, and Subpoena Ad Testificandum & Ducks Cecum. Subpoena Ducks Cecum requires the recipient to provide records or other documents to the court. Subpoena Ad Testificandum requires the recipient to appear in court and answer questions under oath. Subpoena Ad Testificandum & Ducks Cecum requires the recipient to both appear in court and provide documents to the court. All three types of Washington Return of Subpoena must be served on the recipient in accordance with Washington law.