(a) As used in this section:

(1) "Instant runoff voting" and "ranked choice voting" mean a method of casting and tabulating votes in which:

(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

(2) "Local government" means an incorporated city or town, a county, a metropolitan form of government, a school, utility, or other regional or local district, or a unit of government that is governed by one (1) or more elected officials.

(b) A county election commission shall not utilize instant runoff voting or ranked choice voting to conduct an election in this state for a statewide or local government office.