Section 11.04.01.520 - BANNED SUBSTANCES01.Banned Substances. Any medication, drug, chemical, narcotic, anesthetic, or analgesic that is not specifically permitted by these rules is banned from use in horses that are eligible to race in Idaho and are located on the grounds of a racing association.02.Administration by Veterinarians. All practicing veterinarians administering drugs, medications or other substances are responsible for ensuring that the drugs, medications or other substances and the veterinary treatment of horses are administered in accordance with these rules.Idaho Admin. Code r. 11.04.01.520