(2) Approval of a proposition authorizing the district to become a taxing district need only be obtained once by a district in order for the district to have the taxing power granted by ORS 568.806.
(3) An election called by the district for the purpose of obtaining approval to become a taxing district shall be held on one of the dates set forth in ORS 255.345. [1981 c.918 §3; 1991 c.459 §447]