ARSD 20:04:30:84. Calculation of the big perfecta pool if the second race is cancelled

If for any reason the second of the big perfecta races is cancelled or declared no race, the pool shall be calculated as a straight pool and shall be distributed among the holders of the tickets combining the first two horses of the first race of the big perfecta, otherwise eligible for big perfecta exchange tickets and also distributed to holders of the big perfecta exchange tickets.