Wis. Stat. § 139.22: Confiscation.

If a duly authorized employee of the department of revenue or the department of justice or any sheriff, police officer, marshal, or constable, within his or her respective jurisdiction, discovers any fermented malt beverages upon any premises other than the premises of a brewer, brewpub, or bottler, or any intoxicating liquor upon any premises other than the premises of a manufacturer, rectifier, winery, or wholesaler, and upon which the tax has not been paid or which was possessed, kept, stored, manufactured, sold, distributed, or transported in violation of ss. 139.01 to 139.25, the employee or any such officer may immediately seize the fermented malt beverages or intoxicating liquors. Any such fermented malt beverages or intoxicating liquors so seized shall be transferred by the department of revenue to the division and disposed of under s. 125.14 (2) (e).