(1) Tariffs, time schedules and revisions thereof, filed with, and approved by the Commission, prior to 12/31/72, shall be deemed adequate, provided, however, that all future reissues and revisions to such tariffs shall comply with the rules, regulations, orders or standards established by this Chapter.

History: Sec. 69-12-201, MCA; IMP, Title 69, Chapter 12, Part 5, MCA; Eff. 12/31/72.