Section 1.645 - Transfer, challenge, disqualification, supervision of person appointed under ORS 1.635(1) A judge pro tempore of a circuit court appointed to serve in any county or judicial district as provided in ORS 1.635 may, at any time while serving under the appointment, be transferred and assigned by the Supreme Court to serve as judge pro tempore in any one or more other counties or judicial districts during the term of the appointment.(2) Each judge pro tempore appointed and qualified as provided in ORS 1.635 has all the judicial powers, duties, jurisdiction and authority, while serving under the appointment, of a regularly elected and qualified judge of the court to which the judge pro tempore is appointed or assigned.(3) The eligibility, appointment or qualification of an appointee under ORS 1.635, or the right of the appointee to hold the position of judge pro tempore in any particular county or judicial district while serving under the appointment, is subject to challenge only in a direct proceeding instituted for that purpose as provided in ORS 30.510 to 30.640. The proceeding may be instituted in the Supreme Court if it consents to take original jurisdiction thereof.(4) A judge pro tempore appointed as provided in ORS 1.635 is subject to disqualification to sit in any case for any of the causes specified in ORS 14.210 or 14.250.(5) A judge pro tempore appointed as provided in ORS 1.635 or assigned as provided in subsection (1) of this section to a court with one or more regularly elected and qualified judges on active duty shall be subject to the directions of the regular presiding judge of the court in respect to the assignment of cases and the general administration of the business of the court.