Ariz. Rev. Stat. § 10-2727
A. Unless otherwise expressly provided in the articles of incorporation or in bylaws approved by the shareholders of an issuing public corporation, the issuing public corporation may call for redemption of all but not less than all shares referred to in section 10-2725, subsection A acquired in a control share acquisition at a redemption price equal to the market value of the shares at the time the call for redemption is given if either: