Any person who fails to file a return by the date under s. 72.30(1) is subject to a penalty of 5 percent of the tax due under s. 72.02but not less than $25 nor more than $500.
Wis. Stat. § 72.235
Any person who fails to file a return by the date under s. 72.30(1) is subject to a penalty of 5 percent of the tax due under s. 72.02but not less than $25 nor more than $500.
Wis. Stat. § 72.235