Pennsylvania Code
Title 7 - AGRICULTURE
Part VIII - State Horse Racing Commission
Subpart F - Foreign Substances, Medications, Drugs and Equine Veterinary Practices
Chapter 401 - PROHIBITED AND UNLAWFUL PRACTICES-TEMPORARY REGULATIONS
UNIFORM MEDICATION CLASSIFICATION AND PENALTIES
Section 401.46 - Control of horse, presumption of knowledge

Whenever the chemical analysis test described in this chapter discloses the presence of a drug, stimulant, depressant or foreign substance or therapeutic medications above the established levels, it shall be presumed that the same was administered by the person having the care, custody or control of the horse and that the administering was done with the intent to affect the speed or condition of the horse and the result of the race in which it participated.