All money received from the negotiation of revenue warrants pursuant to § 4-3-21 shall be applied only to the payment of the necessary and actual current expenses of the state and outstanding registered state warrants. All money thereafter received or collected from or on account of such revenues assessed but not yet collected, or so much thereof as may be necessary, is set apart and appropriated to the payment of such warrants, if any, as may be issued in pursuance of the foregoing provisions; and the state treasurer is authorized and required to make payment of the same from funds so appropriated.
SDCL 4-3-23