7 Pa. Code § 181.18
To assist in detection of illegal pari-mutuel betting by racing personnel, effectively prevent the use of improper racing devices, restrict the possession of dangerous weapons on racing premises, control the expanded traffic in unlawful drugs and drug related paraphernalia, maintain proper and adequate supervision of racing and enforce the laws of the Commonwealth, the Commission or its representatives, shall have the right and privilege to conduct a search within the areas of the track premises which any owner, trainer, driver, groom, vendor of racing equipment and service or other licensee acting in their behalf, may occupy and to control including all personal property and effects and as a result of the search, the Commission or its representatives, shall have the power and authority to seize an article, within the areas, which may be forbidden or be in violation of the rules and regulations of the Commission.
7 Pa. Code § 181.18