(1) The commission may, on receiving a complaint or protest, or on its own motion, suspend tariff rates, tariff charges, tariff rules, or tariff time schedules as provided in RCW 81.04.130.

(2) The commission will not take action to suspend a tariff or time schedule, or any part of a tariff or time schedule, based on a complaint or protest unless the complaint or protest complies with the commission's rules of practice and procedure as set out in chapter 480-07 WAC.