(2) The bylaws or the resolution establishing the rates, tolls, fees, fines and charges shall fix the time when they shall become due and payable, and shall also fix a time after which they shall become delinquent, which time shall be any time within one year from the due date.
(3) If any rates, tolls, fees, fines or charges remain unpaid after the delinquency date, the corporation may file a notice of lien and collect the delinquent charges in the manner provided for collection of incurred charges of an irrigation district under ORS 545.494, 545.496, 545.498, 545.502, 545.504 and 545.506.
(4) If rates, tolls, fees, fines or charges, or any installment thereof, are not paid when due, interest shall be charged and collected on the past due amount at the rate of one and one-half percent per month, or fraction of a month, until paid. [1991 c.459 §432c; 2013 c.284 §3]