A company may have as many different types of shares as it wishes, all with different conditions attached to them. The most common are ORDINARY, with no special rights or restrictions. PREFERENCE, these normally carry a right that any annual dividends available will be paid preferentially on these shares before other classes. CUMULATIVE PREFERENCE, carry a right that if the dividend cannot be paid in one year, it will be carried forward to successive years. REDEEMABLE, issued with an agreement that the company will buy them back at the option of the company or the shareholder after a certain period, or on a fixed date. A company cannot have redeemable shares only. Shares can also be issued as A, B, C Shares etc.