N.Y. Comp. Codes R. & Regs. tit. 9 § 5329.19
No person under 21 years of age may place a wager with an operator, as required by Racing, Pari-Mutuel Wagering and Breeding Law section 1367(3)(d).
An operator shall not knowingly accept any wager from any prohibited sports pool participant. No prohibited sports pool participant is permitted to make such a wager at any operator or collect winnings from any such wager, which wager shall be deemed void. Any person who is a direct or indirect legal or beneficial owner of 10 percent or greater of a sports governing body or any of such body's member teams shall not place or accept wagers on a sports event in which any member team of such sports governing body participates.
An operator shall not make payment on a winning wager to a person who the operator knows or reasonably should know is collecting the payment on behalf of another for monetary consideration or in violation of local, State or Federal law. An operator shall not make payment on a winning wager to a person who the operator knows or reasonably should know is engaging in such activity for profit or as a business enterprise. An operator may withhold payment of a winning wager if a customer refuses to supply identification or any other documentation required by this Part or article 13 of the Racing, Pari-Mutuel Wagering and Breeding Law.
Minimum and maximum amounts of wagers shall be as established by an operator's house rules approved by the commission. An operator shall disclose clearly the maximum and minimum wagers applicable to the wagers such operator offers.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 5329.19