Oregon Revised Statutes Human Services; Juvenile Code; Corrections § 421.105

(1) The superintendent may enforce obedience to the rules for the government of the inmates in the institution under the supervision of the superintendent by appropriate punishment but neither the superintendent nor any other prison official or employee may strike or inflict physical violence except in self-defense, or inflict any cruel or unusual punishment.

(2) The person of an inmate sentenced to imprisonment in the Department of Corrections institution is under the protection of the law and the inmate shall not be injured except as authorized by law.