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

Full text
256. Before giving the official signal for the start of the race, the starting judge shall order a recall where:
(1)  a horse scores ahead of the starting gate;
(2)  there is interference from a horse or a driver;
(3)  a horse’s equipment breaks;
(4)  a horse falls;
(5)  a situation of superior force exists.
Decision 90-09-19, s. 256.