Tennessee Code Title 6. Cities and Towns § 6-18-111

(a) In case there is a previously incorporated city or if a new charter is adopted as provided in § 6-18-110, the county election commission shall call an election not less than forty (40) days nor more than fifty (50) days following the election for surrender of the charters provided in § 6-18-108, at which time municipal officials for the newly adopted form of government shall be chosen who shall take office upon the date fixed for the termination of the previous charter.

(b) The qualifying deadline for filing nominating petitions shall be twelve o'clock (12:00) noon of the sixth Thursday before the election.

(c) All registered voters of the municipality may vote in the election.