(a) A court may render an order for the possession of or access to an adult disabled child that is appropriate under the circumstances.
(b) Possession of or access to an adult disabled child is enforceable in the manner provided by Chapter 157. An adult disabled child may refuse possession or access if the adult disabled child is mentally competent.
(c) A court that obtains continuing, exclusive jurisdiction of a suit affecting the parent-child relationship involving a disabled person who is a child retains continuing, exclusive jurisdiction of subsequent proceedings involving the person, including proceedings after the person is an adult. Notwithstanding this subsection and any other law, a probate court may exercise jurisdiction in a guardianship proceeding for the person after the person is an adult.