ORS 221.374: Filing and service of notice of appeal.

(1) The appellant shall:

      (a) File written notice of appeal with the municipal court from which the appeal is taken with proof of service of a copy on the adverse party, or an acknowledgment of service signed by the adverse party; and

      (b) Serve a copy of the notice of appeal on the adverse party or, if the adverse party is represented by an attorney, the party’s attorney.

      (2) If the defendant is the appellant:

      (a) The defendant shall serve the city attorney if the case has been brought in the city’s name and the defendant did not serve the city attorney under subsection (1) of this section.

      (b) The defendant shall serve the district attorney if the case has been brought in the state’s name and the defendant did not serve the district attorney under subsection (1) of this section.