1. For purposes of this section:

a. "Approval voting" means a method in which a qualified elector may vote for all candidates the voter approves of in each race for public office, and the candidates receiving the most votes are elected until all necessary seats are filled in each race. b. "Ranked-choice voting" means a method in which a qualified elector may rank candidates in a race for public office in order of preference, and all submitted ballots are tabulated in multiple rounds following the elimination of a candidate until a single candidate attains a majority of votes.

2. Approval voting or ranked-choice voting may not be used in an election held within this state to elect or nominate a candidate to any local, state, or federal elective office.

3. An ordinance enacted or adopted by a county, city, or other political subdivision, including an ordinance enacted or adopted under a home rule charter, which conflicts with this section is void.