California Code, Business and Professions Code - BPC § 19599

An association or fair may offer any form of parimutuel wagering, as defined by regulations adopted by the board, or as defined by Chapter 4, Pari-Mutuel Wagering, Model Rules of Racing, as published by the Association of Racing Commissioners International.  The board may prohibit any form of parimutuel wagering if it determines that the proposed wagering would compromise the honesty and integrity of racing in the state.  Each racing association or fair shall include the types of conventional, exotic, and other wagering it proposes to offer on its application to conduct a horse racing meeting.