The board of park commissioners of the city shall be composed of the mayor and city engineer, if there is one, and if not, the city auditor, together with five citizens thereof, to be appointed by the circuit court in which the city is located. If there is more than one circuit judge in the circuit in which the city is located, the appointment shall be made by all the judges acting together. Not more than three citizens so appointed to the board shall be of the same political party.
Oregon Legal Code