Establishes the responsible representation act.

Requires certain noncharter counties to: (1) Beginning in 2022, have a board of commissioners with five members;

(2) Use district nominations and district elections for its commissioner positions; and

(3) Hold district elections for county commissioners in accordance with a districting plan adopted by a redistricting committee.

Requires the county to, by April 30, 2021, establish a redistricting committee to create, review, and adjust county commissioner districts.

Requires the legislative body of the county to provide adequate funding and resources to support the duties of the redistricting committee.

Requires the redistricting committee: (1) Within one hundred twenty days after it is established, to prepare and publish a draft districting plan dividing the county into five commissioner districts; and

(2) Upon filing of the adopted districting plan with the county auditor, or sixty days after providing notice to the state redistricting commission, to be dissolved until the time a new committee is established.