N.Y. Comp. Codes R. & Regs. tit. 9, § 4106.4 – Reports on ownership and control of horses.

(a) Within 72 hours, or shorter period if so directed, after arrival of any horse at a race track, the person in charge of such horse shall file a statement with the commission steward, in form satisfactory to the commission, listing the following information:
1. (1) The owner or owners of each such horse with address, telephone number and commission license number.
2. (2) The trainer and, if any, the assistant trainer, with address, telephone number and commission license number.
3. (3) Each groom or other employee employed for such horse with address and commission license number. If any such employee is thereafter discharged or leaves his or her employment, such fact shall be reported to the commission steward within 24 hours.
4. (4) The name and policy number of the workers' compensation carrier if any.
5. (5) The tattoo number of each such horse.
6. (6) Such other information as may be required.
(b) Upon any change in ownership, training or employment regarding such horse during the meeting, the person in charge of the horse shall promptly report that information to the commission steward.
(c) The trainer of a horse shall file a statement with the recording judge, designating an assistant to assume such trainer’s responsibility when such trainer will not be available for a period exceeding one day.
(d) Copies of all such statements required above shall be filed with the presiding judge and race secretary.