An adult may be adopted under any of the following conditions:

1. (1) He or she is an individual with a total and permanent disability.
2. (2) He or she has been determined to be an incapacitated person as defined in Section 26-2A-20.

3. (3) He or she consents in writing to be adopted and is:

   1. a. Related in any degree of kinship to the petitioner or petitioners, as defined by the intestacy laws of Alabama;
   2. b. A stepchild or former stepchild by marriage; or
   3. c. A United States citizen and the court is satisfied that there exists a multi-year relationship akin to that between a parent and child and the adoption is for a legitimate purpose.
4. (4) He or she had been in a de facto parent-child relationship with each petitioner for at least one year during the minority of the adoptee, and each petitioner has maintained a continuous familial relationship with the adoptee. This subdivision shall include, but is not limited to, a foster parent relationship with the adoptee.

(Act 2023-92, §2; Act 2025-407, §1.)