N.Y. UCC Law § 9-512

Section 9--512. Amendment of Financing Statement.\n (a) Amendment of information in financing statement. Subject to\nSection 9--509, a person may add or delete collateral covered by,\ncontinue or terminate the effectiveness of, or, subject to subsection\n(e), otherwise amend the information provided in, a financing statement\nby filing an amendment that:\n (1) identifies, by its file number, the initial financing\n statement to which the amendment relates; and\n (2) if the amendment relates to an initial financing statement\n filed in a filing office described in Section 9--501(a)(1),\n provides the date and time that the initial financing\n statement was filed and the information specified in Section\n 9--502(b).\n (b) Period of effectiveness not affected. Except as otherwise provided\nin Section 9--515, the filing of an amendment does not extend the period\nof effectiveness of the financing statement.\n (c) Effectiveness of amendment adding collateral. A financing\nstatement that is amended by an amendment that adds collateral is\neffective as to the added collateral only from the date of the filing of\nthe amendment.\n (d) Effectiveness of amendment adding debtor. A financing statement\nthat is amended by an amendment that adds a debtor is effective as to\nthe added debtor only from the date of the filing of the amendment.\n (e) Certain amendments ineffective. An amendment is ineffective to the\nextent it:\n (1) purports to delete all debtors and fails to provide the name\n of a debtor to be covered by the financing statement; or\n (2) purports to delete all secured parties of record and fails to\n provide the name of a new secured party of record.\n