All state funds and funds of all state penal, educational, and industrial institutions must be deposited in the Bank of North Dakota by the persons having control of such funds or must be deposited in accordance with constitutional and statutory provisions. All income earned by the Bank for its own account on state moneys that are deposited in or invested with the Bank to the credit of the state must be credited to and become a part of the revenues and income of the Bank.
N.D.C.C. § 6-09-07