(a) In this section:
(1) "Possessory right" means the right of a guardian of the person to have physical possession of a ward and to establish the ward's legal domicile, as provided by Section 1151.051(c)(1), Estates Code.
(2) "Ward" has the meaning assigned by Chapter 1002, Estates Code.
(b) A person commits an offense if the person takes, retains, or conceals a ward when the person knows that the person's taking, retention, or concealment interferes with a possessory right with respect to the ward.
(c) An offense under this section is a state jail felony.
(d) This section does not apply to a governmental entity where the taking, retention, or concealment of the ward was authorized by Subtitle E, Title 5, Family Code, or Chapter 48, Human Resources Code.