Texas Estates Code - EST § 1054.002. Term of Appointment

(a) Unless the court determines that the continued appointment of an attorney ad litem appointed under Section 1054.001 is in the ward's best interests, the attorney's term of appointment expires, without a court order, on the date the court:

(b) The term of appointment of an attorney ad litem appointed under Section 1054.001 continues after the court appoints a temporary guardian under Chapter 1251 unless a court order provides for the termination or expiration of the attorney ad litem's appointment.