N.Y. Comp. Codes R. & Regs. tit. 9, § 4002.32
Each jockey, apprentice jockey and exercise rider shall carry on his or her person a card or other device containing his or her name; emergency contact information; HIS account name and password and website address; and medical insurance provider. Such card or other device shall be carried in a manner making the information readily accessible by emergency and medical professionals.