The association may impose conditions for its race meeting as it may deem necessary, provided, however, that such conditions may not conflict with the rules, regulations or orders of the Board, that such conditions are published in the condition book or otherwise made available to all licensees participating in its race meeting, that such conditions are posted on the association bulletin board, and a copy of the conditions filed with the Board. The association may also impose requirements, qualifications or requisites for its race meeting as it may deem appropriate.
Cal. Code Regs. Tit. 4, § 1437