Tennessee Code Title 8. Public Officers and Employees § 8-34-616

(a) Notwithstanding any other provisions to the contrary, any former member of the general assembly who elected not to be a member of the retirement system at the time of coming into the general assembly, or who became a member of the general assembly prior to the establishment of the superseded Tennessee state retirement system or this system may, upon proper documentation as requested by the board of trustees, claim this service as a member of the general assembly or any other service rendered as an employee of the state that has not been previously claimed or withdrawn by paying in a lump sum an amount equal to the amount such former member would have contributed had such former member been a member during the period or periods for which service is claimed, plus interest at the rate designated in § 8-37-214.

(b) Any retired member of any superseded retirement system or this system is hereby prohibited from claiming any additional service under this section for retirement credits.