ORS 34.020: Who may obtain review; intermediate orders reviewable.

Except for a proceeding resulting in a land use decision or limited land use decision as defined in ORS 197.015, for which review is provided in ORS 197.830 to 197.845, any party to any process or proceeding before or by any inferior court, officer, or tribunal may have the decision or determination thereof reviewed for errors, as provided in ORS 34.010 to 34.100, and not otherwise. Upon a review, the court may review any intermediate order involving the merits and necessarily affecting the decision or determination sought to be reviewed.