Wisconsin Statutes Banking and Finance (Ch. 214 to 225) § 218.14. Service fees

(1) A dealer may not assess a purchaser of a recreational vehicle an additional service fee or charge for performing a vehicle inspection or completing a form that is related to the sale of the recreational vehicle and required by law unless the dealer discloses the fee or charge to the purchaser and provides a statement on the purchase or lease contract in substantially the following form: “A service fee or charge is not required by law but may be charged to recreational vehicle purchasers or lessees for services related to compliance with state and federal laws, verifications, and public safety and must be reasonable.” The amount of a service fee or charge assessed by a dealer under this subsection may not be higher than the amount initially disclosed.

(2) Upon request from a purchaser of a recreational vehicle, a dealer shall provide a written list of the services for which a service fee or charge under sub. (1) is assessed.

(3) The department may audit a dealer to determine whether fees or charges assessed by the dealer under sub. (1) are reasonable.