Section 221.0716 - Procedure if dissenter is dissatisfied with payment or offer(1) RIGHTS OF DISSENTER. A dissenter may, in the manner provided in sub. (2), notify the bank of the dissenter's estimate of the fair value of his or her shares and the amount of interest due, and demand payment of his or her estimate, less any payment received under s. 221.0713, or reject the offer under s. 221.0715 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. 221.0713 or offered under s. 221.0715 is less than the fair value of his or her shares or that the interest due is incorrectly calculated.(b) The bank fails to make payment under s. 221.0715 within 60 days after the date set under s. 221.0710 for demanding payment.(c) The issuer bank, 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. 221.0710 for demanding payment.(2) WAIVER OF RIGHTS. A dissenter waives his or her right to demand payment under this section unless the dissenter notifies the bank of his or her demand under sub. (1) in writing within 30 days after the bank makes or offers payment for his or her shares. The notice shall comply with s. 221.0103.