Texas Civil Practice and Remedies Code Sec. § 101.104 Evidence of Insurance Coverage (a) Neither the existence nor the amount of insurance held by a governmental unit is admissible in the trial of a suit under this chapter. (b) Neither the existence nor the amount of the insurance is subject to discovery. Acts 1985, 69th Leg., ch. 959, Sec. 1, eff. Sept. 1, 1985.