Cal. Bus. & Prof. Code § 19416 : CALIFORNIA BUSINESS AND PROFESSIONS CODE — SPECIAL BUSINESS REGULATIONS — HORSE RACING — GENERAL PROVISIONS AND DEFINITIONS — "Thoroughbred horse" defined TEXT PDF "Thoroughbred horse" is any horse (including mare, gelding, colt and filly) that meets the requirements of and is registered by the Jockey Club of New York, including racing permits issued to foreign thoroughbred horses. Ca. Bus. and Prof'l. Code § 19416 Added by Stats. 1959, Ch. 1828.