Oregon Revised Statutes Military Affairs; Emergency Services § 398.224

(a) Has been duly subpoenaed to appear as a witness before a court-martial, court of inquiry or any other military court or board, or before any military or civil officer designated to take a deposition to be read in evidence before such a court, commission or board;

(b) Has been duly paid or tendered the fees and mileage of a witness at the rates allowed to witnesses attending the circuit court of the state in ORS 44.415 (2); and

(c) Willfully neglects or refuses to appear, or refuses to qualify as a witness or to testify or to produce any evidence which that person may have been legally subpoenaed to produce.