N.Y. Comp. Codes R. & Regs. tit. 9, § 5329.21
(a) Commission void.
The commission may order the voiding of sports wagers, and require refunds, on any event for which wagering, or the continuation of wagering, would be contrary to the public policies of this State.
(b) Authorized sports bettor cancellation.
A sports wagering ticket may be cancelled by an authorized sports bettor at the discretion of the casino sports wagering licensee, so long as no sports event upon which the sports wager was made has commenced.
(c) Rescission.
A casino sports wagering licensee shall not rescind any sports wager made pursuant to this Part unless extraordinary circumstances exist and the prior written approval of the commission has been obtained.
(d) Payout adjustments.
House rules shall state clearly circumstances in which the payouts are to be adjusted, including, without limitation: