(a) At each meeting of shareholders, a chair shall preside. The chair shall be appointed as provided in the bylaws, or, in the absence of such provision, by the board.
(b) The chair, unless the articles of incorporation or bylaws provide otherwise, shall determine the order of business and shall have the authority to establish rules for the conduct of the meeting.
(c) Any rules adopted for, and the conduct of, the meeting shall be fair to shareholders.
(d) The chair of the meeting shall announce at the meeting when the polls close for each matter voted upon. If no announcement is made, the polls shall be deemed to have closed upon the final adjournment of the meeting. After the polls close, no ballots, proxies or votes nor any revocations or changes thereto may be accepted.