B. A political subdivision shall hold its elections on a statewide election date if its previous elections on a nonstatewide election date resulted in a significant decrease in voter turnout in that political subdivision.
C. Beginning with elections in 2018, for each political subdivision's elections, other than special elections or recall elections, if a significant decrease in voter turnout occurs as prescribed in subsection B of this section, the political subdivision shall hold its subsequent elections on the statewide election dates beginning three calendar years after the occurrence of the significant decrease in voter turnout.
D. For the purposes of this section:
1. "Political subdivision" means any governmental entity operating under the authority of this state and governed by an elected body, including a city, charter city, town, county, school district, community college district or other district organized under state law. Political subdivision does not include a special taxing district.
2. "Significant decrease in voter turnout" means the voter turnout for the office that received the highest number of votes in the most recent candidate election for a political subdivision in which candidates are elected at large, or portion of a political subdivision if candidates are not elected at large, is at least twenty-five percent less than the voter turnout in that same political subdivision or portion of a political subdivision for the most recent election in which the office of the governor appeared on the ballot.
3. "Statewide election date" means the date of the regular statewide primary election and the regular statewide general election.
4. "Voter turnout" means the number of ballots cast in a specific candidate race prescribed by this section divided by the total number of active registered voters in that political subdivision or portion of a political subdivision, as applicable, or if no specific candidate race is prescribed by this section, the number of ballots cast in that political subdivision or portion of a political subdivision, as applicable, divided by the total number of active registered voters in that political subdivision or portion of a political subdivision at the election prescribed by this section.