The board of directors shall advertise the property for sale at least four weeks in such manner as in the judgment of the board will be to the best interests of the district; and shall state in such advertisement a description of the property, and the time and place when bids in writing for the same shall be opened and considered. At the time designated in such notice, or as soon thereafter as such board can meet, it shall open and consider all bids received for the purchase of the property.
SDCL 46A-4-88