After the bids have been opened and made public, they must be entered upon the minutes of the meeting of the board of the district at which they are considered, and they must be preserved carefully by the district secretary.
N.D. Cent. Code § 61-35-93
Opening of bids - Bids to be entered on minutes
Official source: North Dakota Legislative Branch. Reproduced from public-domain North Dakota statutes; confirm against the official source for the current text. Not legal advice.