Each public utility shall maintain its tariff schedules on a current basis. The utility shall retain a file of cancelled tariff schedules in its main business office within the state for a period of seven years.
S.D. Admin. R. 20:10:13:07
General Authority: SDCL 49-34A-4.
Law Implemented: SDCL 49-34A-10.
Note: All cancelled tariff schedules are also available for public inspection in the offices of the commission during regular hours of each day of business.