(1) The number of signatures of registered voters needed to place the name of a candidate upon the nonpartisan ballot for the general election shall be as follows: (a) For each nonpartisan office other than board members of a Class III school district, at least ten percent of the total number of registered voters voting for Governor or President of the United States at the immediately preceding general election in the district or political subdivision in which the officer is to be elected. If the district in which the petitions are circulated comprises more than two counties, at least twenty-five signatures shall be obtained in each county comprising the district; and (b) For board members of a Class III school district, at least twenty percent of the total number of votes cast for the board member receiving the highest number of votes at the immediately preceding general election in the school district.
(2) The number of signatures of registered voters needed to place the name of a candidate upon the partisan ballot for the general election shall be as follows: (a) For each partisan office to be filled by the registered voters of the entire state, at least two thousand; (b) For each partisan office to be filled by the registered voters of a county or political subdivision other than a township or precinct, at least twenty percent of the total vote for Governor or President of the United States at the immediately preceding general election within the county or political subdivision, not to exceed two thousand; and (c) For each partisan office to be filled by the registered voters of a township or precinct, fifty. The number of signatures shall not be required to exceed one-fourth of the total number of registered voters voting for the office at the immediately preceding general election when the nomination is for a partisan office to be filled by the registered voters of a county, township, or precinct.