C-72.1, r. 5 - Rules respecting Standardbred horse races held at an amateur race track

Full text
35. Where a horse is sold, neither the horse’s owner, the agent of the owner nor the horse’s trainer may cause it to participate in more than 1 race from the time of the sale until the change of ownership has been made on a registration certificate by the Canadian Standardbred Horse Association or the United States Trotting Association, unless the new owner, his or her agent or the trainer demonstrates to the racing judge that the documents necessary to give notice of that change have been forwarded to one of those organizations.
Decision 96-07-24, s. 35.