Texas Health and Safety Code - HEALTH & SAFETY § 571.0167. Habeas Corpus Proceedings

(a) A petition for a writ of habeas corpus arising from a commitment order must be filed in the court of appeals for the county in which the order is entered.

(b) The state shall be made a party in a habeas corpus proceeding described in Subsection (a). The appropriate attorney prescribed by Section 571.016 shall represent the state.

(c) In a habeas corpus proceeding in which a department inpatient mental health facility or a physician employed by a department inpatient mental health facility is a party as a result of enforcing a commitment order, the appropriate attorney prescribed by Section 571.016 shall represent the facility or physician, or both the facility and physician if both are parties, unless the attorney determines that representation violates the Texas Disciplinary Rules of Professional Conduct.