2021 Tennessee Code
Part 4 - County Sheriff's Civil Service Law of 1974
§ 8-8-408. Chair — Personnel Officer as Keeper of Department Records and Secretary of Board

The county mayor shall designate, from the three (3) members thus selected, a chair of the board. The sheriff shall appoint from among the sheriff's employees a personnel officer, who shall be the keeper of the sheriff's departmental records, and also shall serve as secretary of the civil service board.