Each proposal for classifications 1, 2, and 4 of state printing let under competitive bids must be in writing, sealed, and addressed to the office of management and budget. The office of management and budget may reject any bid made by anyone other than a regularly established and thoroughly competent printer and also may reject any or all bids if in its judgment the best interests of the state would be subserved thereby.
N.D.C.C. § 46-02-07