Mont. Code Ann. § 17-5-705
Pledge of coal severance tax bond fund
17-5-705 . Pledge of coal severance tax bond fund. The money in the coal severance tax bond fund is pledged to the payment of the principal and interest on all state of Montana coal severance tax bonds. All bonds issued after July 1, 1981, wherein the money in the coal severance tax bond fund is pledged for their retirement shall be called "state of Montana coal severance tax bonds".