A Missouri Subpoena To Appear and Testify At A Hearing Or Trial in A Civil Action is a legal document issued by a court to a person or entity, requiring them to appear in court to testify or produce documents for a civil action. This type of subpoena can be issued for both the plaintiff and the defendant, as well as to any third party who may have relevant information. There are two types of Missouri Subpoena To Appear and Testify At A Hearing Or Trial in A Civil Action: a subpoena ad testificandum, which is a summons to appear and testify as a witness, and a subpoena duces tecum, which is a summons to produce documents, records, or other tangible items. The Missouri Subpoena To Appear and Testify At A Hearing Or Trial in A Civil Action must be served with sufficient time for the recipient to prepare and travel to the court. Failure to appear or comply with the summons may result in civil or criminal penalties.