Tenn. Code Ann. § 16-15-5002: Time judge must devote to office - Practice of law or other employment

(a) All general sessions judges in Class 1, 2 or 3 counties shall devote full time to the duties of such office and shall be prohibited from the practice of law or any other employment which conflicts with the performance of their duties as judge.

(b) General sessions judges in Class 4 through Class 8 counties shall be considered part-time judges and shall not be prohibited from the practice of law or other gainful employment while serving as judge except to the extent the practice or employment constitutes a conflict of interest.

(c) Notwithstanding this section to the contrary, a judge of the general sessions court in any county with a population of not less than eighteen thousand two hundred (18,200) nor more than eighteen thousand four hundred (18,400), according to the 2010 federal census or any subsequent federal census, upon adoption of a resolution by a two-thirds (2/3) majority vote of the county legislative body, shall devote full time to the duties of such office and shall be prohibited from the practice of law or any other employment which conflicts with the performance of their duties as judge.

(d) Notwithstanding this section to the contrary, a judge of the general sessions court in any county with a population of not less than twenty-one thousand eight hundred (21,800) nor more than twenty-one thousand nine hundred (21,900), according to the 2020 federal census or any subsequent federal census, shall devote full time to the duties of such office and shall be prohibited from the practice of law or any other employment which conflicts with the performance of their duties as judge.