Tennessee Code Title 6. Cities and Towns § 6-52-201

(1) Whenever ten percent (10%) or more of the registered voters of any such town or city shall petition the county election commission of the county in which the town or city is located, setting forth in the petition that they desire and pray that an election be held of the qualified voters of the town or city, submitting to them the question of “charter” or “no charter,” the county election commission shall cause to be held an election in the town or city, in the several wards thereof, if there are such wards, to ascertain the will of the people of the town or city, as to the surrender or nonsurrender of their charter. If the municipal corporation includes territory in two (2) or more counties, such election shall be called and conducted by the county election commissions of the counties in which the territory is situated, and the results certified to the county clerks of all such counties;

(2) Notwithstanding subdivision (1), or § 6-52-205 to the contrary, no such petition shall be accepted nor election with respect to such question scheduled to be held by the county election commission of the county in which the town or city is located, unless two (2) years shall have expired from the date of the incorporation of the municipality or the date of the holding of the most recent election in the municipality on the question of “charter” or “no charter,” whichever shall have last occurred.