Ala. Code § 43-2-660
When the administration of the estate of a deceased person shall be pending in any court, and the records of such court shall show that letters testamentary or letters of administration on such estate were issued and that 20 years or more have elapsed since six months after such letters were issued, without further action in said cause, or if any further action was taken in said cause, and 20 or more years have elapsed since any such action, and if all bequests and legacies provided for in a will being administered in such cause have been payable or demandable for more than 20 years, and if the executor or administrator in such cause shall not for 20 or more years have made any payment or partial payment or promise of payment of any claim against such estate or of any bequest, devise or distributive share due from such estate, then it shall be conclusively presumed that final settlement of said estate has been made by the executor or administrator thereof and that all debts of said estate, all legacies and bequests due by said estate, and all distributive shares in said estate have been paid to the persons entitled thereto.
Ala. Code § 43-2-660 (1975)