Cities and villages have a state set initiative process in Wis. Stat. § 9.20 that may be used to propose and vote on regular ordinances or charter ordinances.
However, court decisions have limited the subject matter available for initiative. An ordinance initiated under Wis. Stat. § 9.20: 1) must be legislative as opposed to administrative or executive in nature; 2) cannot repeal (or conflict with) an existing ordinance; 3) may not exceed the legislative powers conferred upon the governing municipal body; and 4) may not modify statutorily prescribed procedures or standards (which includes zoning). The restriction on conflicting with existing ordinances limits the initiative power compared with other states.
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