N.D. Cent. Code § 40-22-29
40-22-29. Engineer's statement of estimated cost required - Governing body to enter into contracts
40-22-29. Engineer's statement of estimated cost required - Governing body to enter
into contracts.
Before adopting or rejecting any bid filed under the provisions of this chapter, the governing
body shall require the engineer for the municipality to make a careful and detailed statement of
the estimated cost of the work for which proposals were advertised under section 40-22-19. The
governing body may not award the contract to any bidder if the engineer's estimate prepared
pursuant to this section exceeds the engineer's estimate of the cost of the work prepared
pursuant to subsection 1 of section 40-22-10 by forty percent or more.