The district shall appear as a bidder at the sale of any lands for delinquent annual charges or assessments made under ORS § 547.655 to 547.690 or any other statute, and may purchase and take title to the lands and thereafter dispose of the same. On any sale by the district of lands so purchased, the proceeds, after payment of the expenses thereof, shall be paid into the emergency fund. At any tax sale where there is no other bidder, the district shall bid the full acreage of the tract or parcel of land for the amount of the delinquency, penalty and interest; provided, the district shall never bid less than the full acreage of the tract or parcel of land against the amount of the delinquency penalty.