Section 423.202 - Right to cancel: manner of cancellation(1) Except as provided in sub. (4), in addition to any right otherwise to revoke an offer, to rescind the transaction or to exercise any remedy for the merchant's breach, a customer has the right to cancel a consumer approval transaction until midnight of the 3rd business day after the merchant has given the notice to the customer in accordance with s. 423.203.(2) Except as provided in sub. (2m), notice of cancellation shall be by mail addressed to the merchant and shall be considered given at the time mailed.(2m) If the property which is the subject of the transaction must be custom made in the ordinary course of business, and is unique to that transaction, the merchant may require that the notice of cancellation, if given, be made by certified or registered mail.(3) Notice of cancellation by the customer need not take a particular form and is sufficient if it indicates by any form of written expression the intention of the customer not to be bound by the consumer approval transaction.(4) The customer may not cancel a consumer approval transaction if: (a) The customer has determined that a delay of 3 business days in performance of the merchant's obligation under the transaction will jeopardize the welfare, health or safety of natural persons or endanger property which the customer owns or for which the customer is responsible;(b) The customer furnishes the merchant with a separate dated and signed personal statement describing the situation requiring immediate remedy and modifying or waiving the customer's right of rescission. The use of printed forms for this purpose is prohibited;(c) The merchant in good faith makes a substantial beginning of performance of the contract before the customer gives notice of cancellation; and(d) In the case of goods, the goods cannot be returned to the merchant in substantially as good condition as when received by the customer.1971 c. 239; 1973 c. 3; 1991 a. 316.