Oklahoma Subpoena to Produce Documents, etc. (AO-088B) is an official court document used to compel a witness to appear in court or produce documents in a legal proceeding. This type of subpoena is issued by a judge or court clerk in the state of Oklahoma. The subpoena may require the witness to produce documents, records, or other items in the possession of the witness. There are two types of Oklahoma Subpoena to Produce Documents, etc. (AO-088B): a deposition subpoena and a trial subpoena. A deposition subpoena is served to a witness who is being deposed, or questioned in preparation for a trial. A trial subpoena is served to a witness who is expected to testify in court. Both types of Oklahoma Subpoena to Produce Documents, etc. (AO-088B) require the witness to appear in court or produce documents in a timely manner. Failure to comply with the subpoena may result in contempt of court charges.