N.Y. Comp. Codes R. & Regs. tit. 9, § 4209.3
Any racing official, track official, owner or jockey may call for information concerning the identity or eligibility of any horse competing at a licensed quarter horse race track, and may demand an opportunity to examine under proper supervision such horse with a view to establishing identity or eligibility. No owner or party controlling such horse may refuse to afford such information or to allow such examination. No person shall demand identification of a horse without cause or to embarrass a race.