Tennessee Code Title 6. Cities and Towns § 6-51-406

(a)(1) Unless otherwise provided in the petition or resolution that initiated the merger, this subsection (a) shall govern the continuation of ordinances and the interpretation of existing ordinances.

(2) All ordinances in force within the former municipalities at the time of the merger that are not in conflict with the consolidated municipality's charter or with the ordinances of the former municipality with the greater population according to the latest determination by the department of economic and community development shall remain in full force and effect until superseded or repealed by the governing body of the consolidated municipality.

(3) All such ordinances, except franchise and other ordinances of only local effect, shall apply to the entire area of the consolidated municipality. In the case of different nonconflicting ordinances dealing with the same subject matter, the ordinance of the more populous municipality shall control.

(4) Ordinances of the former municipalities that are in conflict with the charter of the merged municipality or the ordinances of the more populous municipality shall be deemed repealed as of the effective date of the merger.

(5) Nothing in this subsection (a) shall be construed to discharge any person from liability, either civil or criminal, for any violation of any ordinance of any of the former municipalities incurred before the merger.