Texas Local Government Code - LOC GOV'T § 157.041. General Liability Insurance

(a) The commissioners court of a county may obtain insurance or similar coverage from a governmental pool operating under Chapter 119  1 or a self-insurance fund or risk retention group operating under Chapter 2259,  2 Government Code, for an official or employee of the county including county and precinct peace officers designated by the commissioners court, a district attorney who has all or part of the county within the district attorney's jurisdiction, or an official of any special purpose district located, in whole or in part, in the county against liability arising from the performance of official duties or duties of employment.

(b) Insurance provided under this section must be purchased from an insurance company authorized to do business in this state and must be on forms approved by the commissioner of insurance.

(c) The commissioner of insurance shall adopt rules and set rates to implement this section.

(d) Coverage obtained from a pool operating under Chapter 119 or a self-insurance fund or risk retention group operating under Chapter 2259, Government Code, is not insurance and, except as provided by Subsections (b) and (c), is not subject to regulation by the commissioner of insurance.