California Code, Business and Professions Code - BPC § 19610

Every association which conducts a racing meeting shall deduct 15 percent of the total amount handled in conventional parimutuel pools and 16.75 percent of the total amount handled in exotic parimutuel pools, except that any association conducting a harness racing meeting shall deduct 17.75 percent of the total amount handled in exotic parimutuel pools. The amounts as deducted shall be distributed as prescribed in this chapter.