Tennessee Code Title 8. Public Officers and Employees § 8-34-708

(a) The “benefit base” under the Tennessee judges' retirement system, the retirement system for county paid judges of Tennessee and the attorneys general retirement system of Tennessee shall be the annual rate of compensation in effect for the office from which the prior class member retired on the date of retirement or on May 1, 1975, if greater. However, this section shall not apply to those members who were vested under the superseded system on June 30, 1975, or who were vested at the end of their term of office in effect on June 30, 1975, whichever is applicable.

(b) If any retired member under such superseded system held an office for which a salary was not fixed by statute on May 1, 1975, the benefit base of such member shall not be reduced below the benefit base established for such member as of May 1, 1975.