Wis. Stat. § 139.395: Theft of tax moneys.

All cigarette tax moneys received by a distributor, bonded direct marketer, or manufacturer for the sale of cigarettes on which the tax under this subchapter has become due and has not been paid are trust funds in the hands of the distributor, bonded direct marketer, or manufacturer and are the property of this state. Any distributor, bonded direct marketer, or manufacturer who fraudulently withholds, appropriates or otherwise uses cigarette tax moneys that are the property of this state is guilty of theft under s. 943.20 (1), whether or not the distributor, bonded direct marketer, or manufacturer has or claims to have an interest in those moneys.