Sec. 6. (a) A shareholder may waive any notice required by this article, the articles of incorporation, or bylaws before or after the date and time stated in the notice. The waiver must be:
(1) in writing;
(2) signed by the shareholder entitled to the notice; and
(3) delivered to the corporation for inclusion in the minutes or filing with the corporate records.
(b) A shareholder's attendance at a meeting or participation by remote communication in a meeting in accordance with this chapter:
(1) waives objection to lack of notice or defective notice of the meeting, unless the shareholder at the beginning of the meeting objects to holding the meeting or transacting business at the meeting; and
(2) waives objection to consideration of a particular matter at the meeting that is not within the purpose or purposes described in the meeting notice, unless the shareholder objects to considering the matter when it is presented.