Minn. Stat. § 16A.138: OFFICIALS NOT TO EXCEED APPROPRIATION.

When there has been an appropriation for any purpose it shall be unlawful for any state board or official to incur indebtedness on behalf of the board, the official, or the state in excess of the appropriation made for such purpose. It is hereby made unlawful for any state board or official to incur any indebtedness in behalf of the board, the official, or the state of any nature until after an appropriation therefor has been made by the legislature. Any official violating these provisions shall be guilty of a misdemeanor and the governor is hereby authorized and empowered to remove any such official from office.