The articles of incorporation must set forth any classes of shares and series of shares within a class, and the number of shares of each class and series, Stock Shares: Enter the number of shares of stock the corporation is authorized to issue.Must be at least one. Every state demands that you supply three basic facts about your business: its corporate name, its registered agent and the number of authorized shares. County Employees and Elected Officials. Let LawInc set up your Florida corporation, the right way. We keep things simple and allow you to easily form your Florida corporation online or over the phone. Your Filing Options. File online with a credit card. "Authorized shares" refers to the number of shares the corporation is allowed to issue under its certificate or articles of incorporation.