Tex. Transp. Code § 548.6036
(a) Except as provided by Subsection (b), an inspection station is not subject to an administrative or civil penalty or criminal prosecution under this subchapter for an act of an employee of the inspection station if the inspection station requires the employee to sign a written agreement to abide by the provisions of:
(b) An inspection station is subject to prosecution under this subchapter for an act of an employee of the inspection station if the inspection station:
Added by Acts 2011, 82nd Leg., R.S., Ch. 1202 (S.B. 197), Sec. 6, eff. September 1, 2011.