ARSD 20:04:28:36. Stewards may hire veterinarians in case of illness

In case of any illness or unusual symptoms which they consider contagious or possibly contagious, the stewards may employ, at the expense of the association, a board of three veterinarians for the purpose of diagnosis, observation, and treatment. The decision of the board concerning the necessity of isolating a horse is binding upon the trainer and owner of the horse.