Municipal insurance mutuals organized under s. 611.11 (4) are not subject to any taxes or fees except those imposed by ss. 601.31 and 601.32.
Wis. Stat. § 601.33
Exemption from taxation
1977 c. 346
Official source: Wisconsin State Legislature. Reproduced from public-domain Wisconsin statutes; confirm against the official source for the current text. Not legal advice.