"Authorized shares" refers to the number of shares the corporation is allowed to issue under its certificate or articles of incorporation. Authorized Shares​​ This number represents the total number of shares that the company could issue out to shareholders."Authorized shares" are shares of stock that a corporation can issue if the board of directors votes to issue the stock. Authorized shares act as a ceiling for share issuance, preventing companies from diluting ownership beyond a predetermined point. Outstanding shares are shares of stock that have been issued. In California, a corporation must authorize at least one share but may authorize any number. Authorizing shares allows a company to divide ownership among many different parties and also makes it possible to raise capital. Stock Certificate: This is a legal document issued to the shareholders that certifies ownership of a specified amount of shares of the corporation. Stock Certificate: This is a legal document issued to the shareholders that certifies ownership of a specified amount of shares of the corporation. The preferred shares may, at the election of the board of directors, be issued in fractional shares if required in connection with any stock split or otherwise.