Tennessee Code Title 2. Elections § 2-8-117

(A) Voters rank candidates in order of preference;

(B) Tabulation proceeds in rounds such that in each round either a candidate or candidates are elected or the last-place candidate is defeated;

(C) Votes are transferred from elected or defeated candidates to the voters' next-ranked candidate or candidates in order of preference; and

(D) Tabulation ends when a candidate receives the majority of votes cast or the number of candidates elected equals the number of offices to be filled, as applicable; and