Tennessee Code Title 65. Public Utilities and Carriers § 65-37-101

(a) It is the policy of the general assembly to encourage and not prohibit or delay attractive discount pricing and special promotional offers for telecommunications services.

(b) To implement the policy articulated in this section and to encourage low prices, notwithstanding any other law, all telecommunications providers shall be permitted to offer promotional incentives for telecommunications services, including rebates and limited free service offerings, with such promotions not extending more than six (6) months. Any such free service promotions shall not provide more than one (1) month of free local exchange service in any twelve-month period. Any such free service promotion available for the full six-month period may not be reinstituted for thirty (30) days after expiration of such period.