Tennessee Code Title 5. Counties § 5-1-205

(a) Upon the adoption of a charter resolution by the legislative body of a county or by petition of the voters, which resolution provides for an election of the members of a charter commission, it shall be the duty of the county election commission to call an election to elect members of the charter commission, such election to be held concurrently with the next primary or general election in the county occurring seventy-five (75) days or more after such resolution is adopted or otherwise becomes effective.

(b) The cost of the election shall be paid out of the county funds.

(c) The number of candidates in each district receiving the highest total vote in such election, as specified in such resolution, shall be elected as members of the charter commission.

(d) Any qualified voter of the county shall be eligible for election as a member of such charter commission.

(e) The deadline for filing nominating petitions for candidates for the charter commission shall be no later than twelve o'clock (12:00) noon, prevailing time, on the date established in § 2-5-101. For any election of charter commission members held within the year 2010, the candidates for the office shall qualify by filing all nominating petitions no later than twelve o'clock (12:00) noon, prevailing time, on the fifty-fifth day before the election, and candidates must withdraw no later than twelve o'clock (12:00) noon, prevailing time, on the fifty-second day before the election.