Wisconsin Statutes Vehicles (Ch. 340 to 351) § 344.579. Violations

(1) Penalties. Whoever violates s. 344.574, 344.576(1), (2) or (3)(a) or (b), 344.577 or 344.578 may be required to forfeit not less than $500 nor more than $1,000 for each violation.

(2) Enforcement. The department of agriculture, trade and consumer protection shall investigate violations of ss. 344.574, 344.576(1), (2) and (3)(a) and (b), 344.577 and 344.578. The department of agriculture, trade and consumer protection may on behalf of the state:

(3) Defense. Proof by a rental company that the rental company began an action to impose liability upon a renter or authorized driver, even though the renter had purchased a damage waiver sold under s. 344.576, because of a good-faith mistake that an exception under s. 344.576(2)(a) to (k) applied is a defense to a prosecution for a violation of the terms of the damage waiver under s. 344.576(2).