Oregon Revised Statutes Property Rights and Transactions § 105.565

(1) Any action shall be commenced by the filing of a complaint alleging facts constituting the nuisance, and containing a legal description of the property involved and an allegation that the owners of record of the property have been notified of the facts giving rise to the alleged nuisance at least 10 days prior to the filing of the action with the court. The complaint must specify whether the plaintiff will seek the remedy provided in ORS 105.580 (2).

(2) The complaint shall be served on owners of record as provided in ORCP 7. No service need be made prior to an application for a temporary restraining order, provided the procedures of ORCP 79 B are followed with regard to all persons entitled to service under this section.

(3) Except in those cases tried in the small claims department of a circuit court, any party may demand a trial by jury in any action brought under ORS 105.550 to 105.600.

(4) On the issue of whether property is used in violation of ORS 105.555 or 105.597, evidence of its general reputation and the reputation of persons residing in or frequenting it shall be admissible.