N.Y. Pers. Prop. Law § 339

§ 339. Notice of lessee's reinstatement rights. After a lessee has\nbeen in default for ten days solely by reason of his or her failure to\nmake timely rental payments, the holder of any retail lease agreement\nshall mail or personally deliver to the lessee at his or her last known\naddress a written notice conspicuously setting forth the right of the\nlessee to reinstate the agreement, the dollar amount necessary to\nreinstate the agreement and the name, address and telephone number of\nthe holder from which information may be obtained regarding such\nreinstatement. No notice of reinstatement need be given if:\n 1. The holder does not declare the lessee to be in default under the\nagreement because of his or her failure to make timely rental payments;\nor\n 2. The lessee previously was afforded the opportunity to reinstate the\nagreement.\n