Determination of payoff to winning bettors shall be in the form prescribed by the Racing, Pari-Mutuel Wagering and Breeding Law. The shared pool, or profit, shall be that amount resulting by the deduction of the retained commission and involved breakage from the total pari-mutuel pool.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 4406.4