Wisconsin constitution
Article IV: legislative
[as amended nov. 1962, april 1969 and april 1972]

The legislature shall establish but one system of town government, which shall be as nearly uniform as practicable; but the legislature may provide for the election at large once in every 4 years of a chief executive officer in any county with such powers of an administrative character as they may from time to time prescribe in accordance with this section and shall establish one or more systems of county government.