The starter shall bring the horses to the starting gate as near one-quarter of a mile from the starting point as the track may permit, and shall endeavor to get all horses away in position and on gait. If a horse refuses to come to the gate, is unmanageable or liable to cause an accident or injury to any other horse or to a driver it may be declared and all monies wagered on that horse shall be refunded.
Cal. Code Regs. Tit. 4, § 1729