Section 181.0823 - Waiver of notice(1) WRITTEN WAIVERS. A director may waive any notice required by this chapter, the articles of incorporation or the bylaws before or after the date and time stated in the notice. Except as provided in sub. (2), the waiver must be in writing, signed by the director entitled to the notice, and filed with the minutes or the corporate records.(2) EFFECT OF ATTENDANCE OR PARTICIPATION. A director's attendance at or participation in a meeting waives any required notice of the meeting unless the director upon arriving at the meeting or before the vote on a matter not noticed in conformity with this chapter, the articles of incorporation or the bylaws objects to lack of notice and does not thereafter vote for or assent to the objected to action.