Section R. 431.1303 - Veterinarian's listRule 1303.
(1) The official veterinarian shall maintain the veterinarian's list of all horses that are determined to be unfit to compete in a race due to illness, positive test or overage, physical distress, unsoundness, infirmity, or any other medical condition. Horses so listed are ineligible to race in any jurisdiction until released by an official veterinarian or a racing regulatory veterinarian.(2) A horse may be removed from the veterinarian's list when, in the opinion of the official veterinarian, the condition which caused the horse to be placed on the veterinarian's list is resolved and the horse's status is returned to that of racing soundness.(3) The official veterinarian may require a horse to successfully qualify or perform a timed workout at a distance and time of his or her choosing as a condition for release from the veterinarian's list.(4) Horses qualifying or working to be released from the veterinarian's list must comply with racing medication standards and are subject to post-work biologic sample collection for laboratory confirmation of compliance.Mich. Admin. Code R. 431.1303
2021 MR 6, Eff. 3/26/2021