N.Y. Gen. Bus. Law § 713

§ 713. Required notice in credit account statements; refund of\nbalances. 1. Every statement reflecting a credit balance in favor of the\nconsumer shall contain a clear and conspicuous notice stating the right\nof the consumer to request and receive a refund of the full credit\nbalance, together with the address to which such request may be sent.\n 2. Every creditor shall refund the full credit balance by cash or\ncheck within thirty days of receipt of such request.\n