Tennessee Code Title 8. Public Officers and Employees § 8-36-908

(a) Notwithstanding any law to the contrary, the base annual service retirement allowance payable to a participant under the defined benefit component of the plan shall not exceed the amount determined and in effect on July 1, 2014, pursuant to § 8-35-256(h); provided, however, that commencing on July 1, 2015, and on each July 1 thereafter, this amount shall be increased or decreased in accordance with the consumer price index as defined in § 8-36-701(c), and the amount of increase or decrease shall be based on the prior calendar year. Such participant's annual pension benefit shall be limited to the base benefit in effect at the time of the participant's retirement, but shall be subject to increase in accordance with the cost-of-living provisions of § 8-36-701(b)(1) and (b)(2).

(b) Notwithstanding subsection (a), the service retirement allowance payable under this part shall not exceed ninety percent (90%) of the participant's average final compensation as may be adjusted by the cost-of-living provisions of § 8-36-701(b)(1) and (b)(2).