Texas Estates Code - EST § 1203.153. Application to Appoint Successor Guardian

(a) If the court finds under Section 1203.152 that the proposed successor guardian for a ward is not disqualified from being appointed as the ward's successor guardian under Subchapter H, Chapter 1104,  1 and that the appointment is in the ward's best interests, the guardianship program or governmental entity serving as the ward's guardian or the court, on the court's own motion, may file an application to appoint the individual as the ward's successor guardian.

(b) Service of notice on an application filed under this section shall be made as directed by the court.