No person under 16 years of age shall be granted a jockey's license nor a license as apprentice jockey. No person whose riding weight at the time of application exceeds 125 pounds shall be licensed as a jockey or apprentice jockey. No person who has never ridden in a race at a recognized meeting shall be granted a license as jockey or apprentice jockey; provided, however, that upon the recommendation of the stewards the Board may issue a temporary license to or otherwise grant permission to such person for the purpose of riding in not more than four races to establish the qualifications and ability of such person for the license.
Cal. Code Regs. Tit. 4, § 1499