Cal. Code Regs. tit. 4, § 1630
A declaration of a horse from a stakes race may be made until one hour before post time for that race after which time the starting of such horse is obligatory. Notwithstanding the foregoing, a request for the declaration of a horse from an overnight stakes race shall be made no later than the scratch time for overnight races and may only be granted with the approval of the Stewards.
Note: Authority cited: Sections 19420, 19440 and 19590, Business and Professions Code. Reference: Sections 19440, 19562, Business and Professions Code.
1. Amendment filed 10-11-90; operative 11-10-90 (Register 90, No. 45).