For the purchase of fuel when the amount exceeds four thousand dollars, the board of county commissioners shall seek bids either by telephone solicitation from at least two suppliers, or by an advertisement for bids to be published at least once each week for two successive weeks in the official newspaper of the county and in other newspapers as the board deems advisable.
11-11-27. Contents of fuel bids advertisement - When bids may be opened - Lowest bidder accepted. The advertisement must state what type of fuel is required and when the bids will be opened and passed upon by the board of county commissioners. The bids may be opened and passed upon at a regular or adjourned session of the board, or at a meeting called by the county auditor as provided in section 11-11-05. The bid of the lowest responsible bidder must be accepted, but the board may reject any or all bids.
11-11-28. Bid must be accompanied by a bond - When certified or cashier's check allowed. A bid shall be accompanied by a separate envelope containing a bidder's bond in a sum equal to five percent of the full amount of the bid, executed by the bidder as principal and by a surety company authorized to do business in this state as a guarantee that the bidder will enter into the contract if it is awarded to the bidder and that the bidder will furnish the necessary bond. When the bid is ten thousand dollars or less, the bidder may in lieu of such bond accompany the bid with a separate envelope containing a certified or cashier's check equal to five percent of the full amount of the bid made payable to the board with authority and direction to the board that if the bidder is successful in obtaining the award and fails to enter into the contract, the board may endorse, deposit, and receive the face amount of the certified or cashier's check as liquidated damages.