Tennessee Code Title 5. Counties § 5-5-102

(a)(1) The county legislative body shall be composed of not less than nine (9) nor more than twenty-five (25) members.

(2) There shall be at least nine (9) districts in the county legislative body in any county designated as a Class 2 county before January 1, 1999, as established by § 8-24-101.

(b)(1) Members shall reside within and be qualified voters of the districts that they represent.

(2) To qualify for the office of county legislative body, a candidate must also be a resident of the county for one (1) year prior to the date of the qualifying deadline.

(c)(1) Notwithstanding any provision of the law to the contrary, any county employee, otherwise qualified to serve as a member of the county legislative body, shall not be disqualified from such legislative office by reason of being a county employee.

(2) No person elected or appointed to fill the office of county mayor, sheriff, trustee, register, county clerk, assessor of property, or any other county-wide office filled by vote of the people or the county legislative body, shall also be nominated for or elected to membership in the county legislative body. After June 18, 2005, a director of schools shall not be qualified to serve as a member of the county legislative body.

(3) Deleted by 2016 Pub.Acts, c. 1072, § 1, eff. May 20, 2016.

(e)(1) Members shall serve terms of four (4) years or until their successors are elected and qualified.

(2) Members of the county legislative body shall be elected in the regular August election in 1978 and every four (4) years thereafter.

(h)(1) The county legislative body shall have discretionary authority to determine whether each office in multi-member districts will be separately designated on the ballot, with candidates required to run and to be elected on the basis of such separately designated offices within the district.

(2) No candidate shall qualify for more than one (1) such separately designated office within a multi-member district.

(3) In any county designated as a Class 2 county before January 1, 1999, as established by § 8-24-101, each office in multi-member districts shall be separately designated on the ballot, and candidates shall run and be elected on the basis of such separately designated offices within the district.