All partnerships having any property, ownership or racing interest in a horse, and the name and address of every individual having any such interest in a horse, the relative proportions of such interest and the terms of any sale with contingencies, of any lease or of any arrangement must be signed by all the parties or by their authorized agents and be filed annually at the office of the commission or with the clerk of the course for transmission to that office and must be approved by the commission.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 4220.3