Tex. Health and Safety Code § 775.033: LIABILITY OF DISTRICT.

(a) A district is not liable for a claim arising from the act or omission of an employee or volunteer under an oral or written contract with the district if the act or omission:

(1) is in the course and scope of the employee's or volunteer's duties for the district;

(2) takes place during the provision of emergency services;

(3) is not in violation of a statute or ordinance applicable to emergency action; and

(4) is not wilful or wantonly negligent.

(b) This section does not expand the liability of a district.

Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.