The tubing, dosing or jugging of any horse for any reason within 24 hours prior to its scheduled race is prohibited unless administered for medical emergency purposes by a licensed veterinarian treating the horse. The licensed veterinarian shall comply with the reporting and treatment requirements set forth in these regulations. The horse shall immediately be scratched by the Judges or Stewards. The practice of administration of any substance by means of a naso-gastric tube or dose syringe into a horse's stomach within 24 hours prior to its scheduled race is considered a violation of these rules and subject to disciplinary action, which may include fine, suspension and revocation of license.
7 Pa. Code § 401.5