Oklahoma Subpoena to Appear and Testify in a Civil Action (AO-088) is a legal document issued by a court in the state of Oklahoma. It requires an individual or entity to appear in court to give testimony or provide documents related to a civil action. The individual or entity served with the subpoena must appear at the designated time and place to testify, or provide the requested documents. The Oklahoma Subpoena to Appear and Testify in a Civil Action (AO-088) is issued by the court clerk, at the request of the party filing the civil action. The subpoena must contain the name of the court, the title of the case, the time and place of the hearing, and the name of the party requesting the subpoena. It must also include a statement of the nature of the testimony or documents requested. There are two different types of Oklahoma Subpoena to Appear and Testify in a Civil Action (AO-088): a subpoena duces tecum, which requires an individual or entity to bring certain documents to court, and a subpoena ad testificandum, which requires an individual or entity to appear in court to give testimony. Both types of subpoenas must be served upon the individual or entity at least five days prior to the hearing date. Failure to obey the subpoena may result in sanctions, including fines or jail time.