(2) Notice of all assessments levied by an authority shall be given to the landowner by mail and shall be payable on the 30th day after such notice is mailed unless agreements for payment of such installments are made pursuant to ORS 223.205 and 223.210 to 223.295. All assessments shall be paid to the authority and a receipt shall be issued therefor. From time to time the board shall order the satisfaction of the liens against lands on which assessments have been paid, and a copy of such order shall be filed with the county clerk of the county in which the lands are located. [1955 c.614 §36; 1973 c.399 §4; 1977 c.621 §2; 1995 c.333 §23; 2001 c.215 §8]