N.D. Cent. Code § 61-35-95
61-35-95. Engineer's statement of estimated cost required - Board to enter into contracts
61-35-95. Engineer's statement of estimated cost required - Board to enter into
contracts.
Before adopting or rejecting any bid filed under this chapter, the board shall require the
engineer for the district to make a careful and detailed statement of the estimated cost of the
work. The board may not award the contract to any bidder if the engineer's estimate prepared
under this section exceeds the engineer's estimate prepared under section 61-35-54 by forty
percent or more. If all bids are not rejected, the board shall award the contract to the lowest
responsible bidder, upon the basis of cash payment for the work, if the bidder has furnished the
certified check or bidder's bond required under the provisions of this chapter.