(a) The following items are contraband on a racetrack or association grounds:(1) a criminal instrument related to racing under the Act;(2) an electrical shocking device, spur, or similar device or paraphernalia designed to increase or decrease the speed of a race animal or to unnaturally depress, stimulate, or excite a race animal;(3) a device prohibited under §319.10 of this title (relating to Devices and Substances Prohibited), including a hypodermic syringe or hypodermic needle;(4) a deadly weapon prohibited under §311.211 of this title (relating to Weapons Prohibited);(5) a drug, chemical, or other substance prohibited under:(A) §319.3 of this title (relating to Medication Restricted);(B) §319.7 of this title (relating to Labeling Requirements);(C) §319.10 of this title (relating to Devices and Substances Prohibited); or(D) §319.14 of this title (relating to Possession of Controlled Substances); and,(6) an alcoholic beverage prohibited under §311.321 of this title (relating to Prohibited Conduct).(b) No person may possess an item of contraband at any time while on a racetrack or association grounds. It is an affirmative defense to a rule violation under this subsection that:(1) Commission rules expressly state the item was not contraband; or(2) the possession was expressly authorized on a racetrack or association grounds by the Act or the Rules.