Sec. 20. (a) This section does not apply to a veterinarian licensed by the commission.
(b) The judges or the commission may suspend the license of a person who possesses:
(1) a drug or chemical that may be used as a stimulant;
(2) a hypodermic syringe, hypodermic needle, or other instrument that may be used for injection; or
(3) a battery or other electrical or mechanical instrument that may be used to affect the speed or actions of a horse;
on the premises of a permit holder.