(1) A director may waive any notice required by chapters 51-68 of this title, the charter or bylaws before or after the date and time stated in the notice. Except as provided in subsection (b), the waiver must be in the form of a document, signed by the director entitled to the notice, and filed with the minutes or the corporate records.
(2) A director's attendance at or participation in a meeting waives any required notice of the meeting unless the director at the beginning of the meeting (or promptly upon the director's arrival) objects to holding the meeting or transacting business at the meeting and does not thereafter vote for or assent to action taken at the meeting.