(1) Unless the articles of incorporation or bylaws provide otherwise, regular meetings of the board of directors may be held as provided in the bylaws without notice.

(2) Unless the articles of incorporation or bylaws provide for a longer or shorter period, special meetings of the board of directors must be preceded by at least two days’ notice of the date, time, and place of the meeting. The notice need not describe the purpose of the special meeting unless required by the articles of incorporation, bylaws or the provisions of this Title.