Tex. Health & Safety Code § 462.024
(a) An application for court-ordered treatment may not be filed against a patient receiving voluntary care under this subchapter unless:
(2) in the opinion of the physician responsible for the patient's treatment, the patient meets the criteria for court-ordered treatment and:
(C) refuses to consent to necessary and appropriate treatment recommended by the physician responsible for the patient's treatment and that physician completes a certificate of medical examination for chemical dependency that, in addition to the information required by Section 462.064, includes the opinion of the physician that:
Amended by Acts 1991, 72nd Leg., ch. 14, Sec. 175, eff. Sept. 1, 1991;
Acts 1993, 73rd Leg., ch. 903, Sec. 1.15, eff. Aug. 30, 1993.