A Missouri Subpoena, also known as a "Subpoena Ducks Cecum", is a legal document issued by a court in Missouri that requires an individual or entity to appear in court or produce documents and/or other evidence for use in a legal action. There are two types of Missouri Subpoena: a subpoena ad testificandum, which requires the recipient to testify in court; and a subpoena duces tecum, which requires the recipient to produce documents or other tangible evidence. Both types of Missouri Subpoena are issued and served by the court or a court-appointed process server.