C-72.1, r. 4 - Rules respecting Standardbred horse races held at a professional race track

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54. Where a horse is sold, its new owner or the agent of that owner shall, within 20 days following the date of the sale, forward to the Standardbred Canada or the United States Trotting Association, as the case may be, the registration certificate of that horse to notify it of the change of owners.
Decision 90-09-19, s. 54.