The Board, recognizing the necessity of an association to comply with the requirements of its license and to fulfill its obligation to the public and the State of California with the best possible uninterrupted services, in the comparatively short licensed period, herein provides that all associations, officials, horsemen, owners, trainers, jockeys, grooms, platers, association employees, and all licensees, who have accepted directly or indirectly, with reasonable advance notice, the conditions under which said association engages and plans to conduct such race meeting, shall be bound thereby.
Cal. Code Regs. Tit. 4, § 1870