Oregon Revised Statutes Human Services; Juvenile Code; Corrections § 421.215

If the presence of any inmate confined in a county jail or in the institution of another state or the federal government, is required in any judicial proceeding of this state, the superintendent in charge of the institution from which the inmate was conveyed, upon being so directed by the Director of the Department of Corrections or upon the written order or direction of any court of competent jurisdiction or of a judge thereof, shall procure such inmate, bring the inmate to the place directed in such order and hold the inmate in custody subject to the further order and direction of the director, or of the court or of a judge thereof, until the inmate is lawfully discharged from custody. The superintendent shall, by direction of the director or of the court or a judge thereof, deliver such inmate into the custody of the sheriff of the county in which the inmate was convicted, and shall, by like order, return such inmate to the institution from which the inmate was taken.