Oregon Revised Statutes Cities § 223.835

(1) Charge such fees as the legislative authority of the city finds fair and reasonable for the privilege of using the off-street parking facilities. These fees need not be limited to the cost of operation and administration but may be for revenue.

(2) Regulate and restrict the use of the parking facilities or prohibit the use thereof for vehicles of more than a class or classes of vehicles and provide penalties for violation of such regulations or prohibitions.