Wisconsin Statutes Banking and Finance (Ch. 214 to 225) § 221.0607. Resignation of directors

(1) Written notice. A director may resign at any time by delivering written notice that complies with s. 221.0103 to the board of directors, to the chairperson of the board of directors or to the bank.

(2) Effective date. A resignation is effective when the notice is delivered unless the notice specifies a later effective date.