A parent, managing conservator, or guardian of an adopted child may not transfer permanent physical custody of the child to any person who is not a relative or stepparent of the child or an adult who has a significant and long-standing relationship with the child unless:
(1) the parent, managing conservator, or guardian files a petition with a court of competent jurisdiction requesting a transfer of custody; and
(2) the court approves the petition.
Official text of the Texas Family Code as published by the Texas Legislative Council.