Oregon Revised Statutes Evidence and Witnesses § 44.550

(1) “Civil case” means any proceeding other than a criminal prosecution.

(2) “Law enforcement unit” means:

(3) “Police officer” means an officer or member of a law enforcement unit who is employed full-time as a peace officer by the city or county and who is responsible for enforcing the criminal laws of this state.

(4) “Tribunal” means any person or body before which attendance of witnesses may be required by subpoena, including an arbitrator in arbitration proceedings.