(1) Upon the expiration of the term of a commissioner, a successor shall be appointed by the Governor, subject to confirmation as provided by ORS 171.562 and 171.565. Except as provided in ORS 778.220 and 778.235, appointees, when confirmed, shall hold office for a term of four years and until their respective successors have been appointed, confirmed and qualified.
(2) If a vacancy occurs by death, resignation or disqualification of a commissioner, the vacancy shall be filled by appointment by the Governor for the unexpired term subject to confirmation as provided by subsection (1) of this section.