No horse shall wear hobbles in a race unless it starts in the race in the first heat and having so started shall continue to wear them to the finish of the race and any person found responsible for removing or altering a horse's hobbles during a race or between races shall be fined, suspended or both. Other than as set forth previously, the use of hobbles from race to race shall be in the sole discretion of the trainer and not require qualifying the horse.
7 Pa. Code § 205.432