Tennessee Code Title 2. Elections § 2-4-102

(a)(1) Not more than ninety (90) days nor less than ten (10) days before each election, the county election commission shall appoint the following minimum number of election officials to hold elections at each polling place: one (1) officer of elections, and three (3) judges. Two (2) of the judges appointed hereunder shall concurrently serve as precinct registrars, in accordance with § 2-12-202. In precincts where voting machines are used, any judge not appointed to serve as a precinct registrar shall concurrently serve as a machine operator for that polling place. Additional precinct registrars and machine operators may be appointed in accordance with § 2-4-105 as necessary to adequately staff the polling place. One (1) machine operator may be appointed to operate no more than two (2) voting machines.

(2) Except for the officer of elections, the county election commission may provide that an appointment applies to a specific term that begins or expires at designated times during the election day.

(b)(1) The county election commission may appoint for election day as many inspectors as it may deem necessary.

(2) If a statewide political party has no member on the county election commission and there is not at least one (1) election official appointed from its nominees under § 2-4-106 for each polling place for which it nominates officials, the county election commission shall, on request of the party's county primary board, appoint from that party's nominees under § 2-4-106 one (1) inspector for every thirty thousand (30,000) people in the county according to the 1970 federal census or any later federal census but not less than two (2) inspectors or more than ten (10).

(3) Inspectors represent the commission in its investigation of the conduct of elections. Inspectors shall report any irregularities to the county election commission and the county election commission shall promptly rule on the objections.

(4) No inspector may serve on election day who has not received the instruction provided under § 2-4-108.