1. (1) All public utilities, agents, representatives, or bureaus issuing tariffs or schedules of rates and charges affecting Tennessee intrastate business, shall file with the Tennessee Public Utility Commission of the State of Tennessee written notice, in triplicate, containing a brief explanation of the character of and reason for proposed changes in said tariff schedules.
2. (2) Such explanation shall be filed not later than the date said tariff or schedule is filed.
3. (3) A receipt copy of said explanation shall be evidence of filing such explanation and related tariffs or schedules.
4. (4) All tariffs and supplements affecting Tennessee intrastate business shall be filed with the Tennessee Public Utility Commission at least thirty (30) days before the date upon which they are to become effective, unless upon application and for good cause shown the Commission may waive the thirty (30) days time limit or any portion thereof.
5. (5) The Commission may, on its own motion or on the filing of a sufficient protest by any person or persons affected, order such tariff modified or suspended.

Authority: T.C.A. § 65-2-102. Administrative History: Original rule certified May 9, 1974. Editorial changes made by the Secretary of State pursuant to Public Chapter 305 of 1995; “Commission” and references to the “Commission” were changed to “Authority” and references to the “Authority”; effective March 28, 2003. Administrative changes made to this chapter on April 27, 2018 pursuant to Public Chapter 94 of 2017; “Tennessee Regulatory Authority” references were changed to “Tennessee Public Utility Commission,” “Authority” references were changed to “Commission,” “Authority Director” references were changed to “Commissioner,” and “Chief” references were changed to “Director.”