The stewards shall make diligent inquiry into any objection or protest made either upon their own motion, by any racing official, or by any other person empowered by this division to make such protest or objection.
Cal. Code Regs. Tit. 4, § 1750
Note: Authority cited: Sections 19420 and 19440, Business and Professions Code. Reference: Section 19562, Business and Professions Code.