Whenever any irrigation or drainage district engaged in the refunding of its indebtedness has entered into a contract for such purposes with 80 percent or more of the owners or holders of its bonds, warrants or other evidences of indebtedness, such district may proceed to obtain the constructive consent of the unknown or nonconsenting owners or holders of such evidences of indebtedness to such contract, as provided by ORS 545.651 to 545.663.
Oregon Legal Code