(1) Nothing contained in this chapter is intended or shall be construed in any way to limit, modify or restrict an issuing public corporation's authority to take any action which the directors may appropriately determine to be in furtherance of the protection of the interests of the corporation and its shareholders, including without limitation the authority to adopt or enter into plans, arrangements or instruments that deny rights, privileges, power or authority to the holder or holders of at least a specified number of shares or percentage of share ownership or voting power in certain circumstances.(2) The requirements imposed by this chapter are to be in addition to, and not in lieu of, requirements imposed on a transaction by any provision in the articles or the bylaws of the issuing public corporation, or otherwise.[30-1610, added 1988, ch. 84, sec. 2, p. 157.]