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

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255. Where it is expedient to restart a race, the starting judge shall notify the drivers by means of a blinking light and an audible signal.
The starting judge shall ensure that the starting gate remains open in order to help in slowing the horses.
The drivers shall immediately resume their respective positions behind the starting gate in order to restart.
Decision 90-09-19, s. 255.