Ariz. Rev. Stat. § 10-1328
A. A dissenter may notify the corporation in writing of the dissenter's own estimate of the fair value of the dissenter's shares and amount of interest due and either demand payment of the dissenter's estimate, less any payment under section 10-1325, or reject the corporation's offer under section 10-1327 and demand payment of the fair value of the dissenter's shares and interest due, if either: