Tenn. Code § 7-21-406
The creation and establishment of unified government under this chapter shall not alter the status of the county, any unified municipality or any smaller city not electing to be included in the unified government as to the legality of the manufacture, receipt, sale, storage, transportation, distribution and possession of alcoholic beverages. Local option elections previously held in the county or unified municipalities or such smaller city to fix such legal status shall continue to control the legal status of alcoholic beverages until the legal status is subsequently altered by a local option election held pursuant to such law. All local option elections with respect to unified governmental entities permitting such legal status of alcoholic beverages, the determination of the geographical areas of same and any other conditions and restrictions shall be as provided in the charter, notwithstanding any other law to the contrary. The unified government hereunder shall have the same power as the county and the unified municipalities previously possessed with respect to the regulation and taxation of the manufacture, distribution and sale of beer or any other alcoholic beverages.
T.C.A. § 7-21-406