Section 180.1328 - Procedure if dissenter dissatisfied with payment or offer(1) A dissenter may, in the manner provided in sub. (2), notify the corporation of the dissenter's estimate of the fair value of his or her shares and amount of interest due, and demand payment of his or her estimate, less any payment received under s. 180.1325, or reject the offer under s. 180.1327 and demand payment of the fair value of his or her shares and interest due, if any of the following applies:(a) The dissenter believes that the amount paid under s. 180.1325 or offered under s. 180.1327 is less than the fair value of his or her shares or that the interest due is incorrectly calculated.(b) The corporation fails to make payment under s. 180.1325 within 60 days after the date set under s. 180.1322 for demanding payment.(c) The issuer corporation, having failed to effectuate the corporate action, does not return the deposited certificates or release the transfer restrictions imposed on uncertificated shares within 60 days after the date set under s. 180.1322 for demanding payment.(2) A dissenter waives his or her right to demand payment under this section unless the dissenter notifies the corporation of his or her demand under sub. (1) in writing within 30 days after the corporation made or offered payment for his or her shares. The notice shall comply with s. 180.0141. When payment is made by check, the payment date under sub. (2) is the date the payee receives the check. Kohler Co. v. Sogen International Fund, Inc., 2000 WI App 60, 233 Wis. 2d 592, 608 N.W.2d 746, 99-0960.