(2) The per diem fees and mileage due to any defense witness in a criminal action or proceeding in a circuit or justice court, or before a committing magistrate, and any expenses allowed the witness under ORS 136.603, shall be paid by the defendant. In the case of a defendant determined to be financially eligible for appointed counsel at state expense, these amounts may be paid pursuant to ORS 135.055. [1981 s.s. c.3 §63; 1983 c.401 §1; 1987 c.606 §3; 1989 c.171 §18; 1989 c.1053 §3; 2001 c.962 §87]