No county, city, village, town, or other unit of government authorized to levy taxes may assess, levy or collect any tax on income, or measured by income, and any tax so assessed or levied is void.
Wis. Stat. § 66.0611
Political subdivisions prohibited from levying tax on incomes
Known as the Urban Redevelopment Law
The act spans §§ 66.0101 to 66.1341 (246 sections).
1999 a. 150 s. 562; Stats. 1999 s. 66.0611.
Official source: Wisconsin State Legislature. Reproduced from public-domain Wisconsin statutes; confirm against the official source for the current text. Not legal advice.