90-6-123. Credit of state not pledged. Obligations issued under the provisions of this part do not constitute a debt or liability or obligation or a pledge of the faith and credit of the state but are payable solely from the revenues or assets of the board. An obligation issued under this part shall contain on the face thereof a statement to the effect that the state of Montana is not liable on the obligation and the obligation is not a debt of the state and neither the faith and credit nor the taxing power of the state is pledged to the payment of the principal of or the interest on the obligation.