Tennessee Code Title 6. Cities and Towns § 6-18-106

(a) If it is found, as provided in § 6-18-105, that the majority of the votes cast are in favor of the adoption of chapters 18-22 of this title, it shall be deemed to have been adopted.

(b) Except for the provisions of chapters 18-22 of this title that are adopted by reference in other municipal charters, chapters 18-22 of this title apply only to those cities that have adopted chapters 18-22 of this title by referendum as authorized by law.