(a) The commission shall adopt rules prohibiting a person from unlawfully influencing or affecting the outcome of a race, including rules relating to the use of a prohibited device or prohibited substance at a racetrack or at a training facility.
(b) The commission shall require testing to determine whether a prohibited substance has been used.
(c) The commission's rules must require state-of-the-art testing methods. The testing may:
(1) be prerace or postrace as determined by the commission; and
(2) be by an invasive or noninvasive method.
(d) The commission shall adopt rules relating to the drug testing of license holders.
Official text of the Texas Occupations Code as published by the Texas Legislative Council.