Tenn. Code Ann. § 65-30-108: Duties of radio common carriers

(a) Each radio common carrier shall provide safe and adequate service, equipment and facilities for the operation of its system.

(b) No radio common carrier shall demand or receive a greater or less or different compensation for providing service than the rates and charges specified in the tariff filed and approved by the commission.

(c) Every radio common carrier shall obey and comply with every rule and regulation and order adopted by the commission under this chapter.