Governed, except as otherwise provided herein, by the __________ classification ________ PSC (and ICC) No. ______ by exceptions thereto, __________ PSC (and ICC No. _____, and by rules circular ___________, PSC (and ICC) No. _________ and by supplements to or successive issues of said publications. A tariff is not governed by a classification, classification exceptions, or rules circular, except when and to the extent stated on or in the tariff.
Mont. Admin. r. 38.3.2606
Sec. 69-12-201, MCA;