A Nebraska Subpoena, Deposition is a legal document used to compel a witness to appear in court or other legal proceedings. It is issued by a court, attorney, or other legal authority. There are two types of Nebraska Subpoena, Deposition: a Subpoena Ducks Cecum, which requires the witness to bring certain documents or items to the court, and a Subpoena Ad Testificandum, which requires the witness to appear in court and provide testimony. Both types of Subpoena, Deposition can be issued in Nebraska in order to compel a witness to appear in court or other legal proceedings.