Tex. Nat. Res. Code § 113.301
A person is not liable for damages caused solely by a malfunction or the installation, modification, or improper operation of an LPG system that the person delivered for installation, installed, or serviced in a residential, commercial, or public building or in a motor vehicle if:
Added by Acts 1993, 73rd Leg., ch. 80, Sec. 1, eff. Aug. 30, 1993.
Amended by Acts 1997, 75th Leg., ch. 300, Sec. 1, eff. May 26, 1997.
Acts 2007, 80th Leg., R.S., Ch. 462 (H.B. 1170), Sec. 2, eff. June 16, 2007.