Ala. Code § 43-8-295: Waiver and Bar.

The right to disclaim property or an interest therein is barred by:

(1) An assignment, conveyance, encumbrance, pledge, or transfer of the property or interest, or a contract therefor;

(2) A written waiver of the right to disclaim;

(3) An acceptance of the property or interest or a benefit thereunder; or

(4) A sale of the property or interest under judicial sale made before the disclaimer is effected.