N.Y. Debtor & Creditor Law § 31

§ 31. Secured creditor's claim to disclose security. In a liquidation\nproceeding every secured creditor's claim against the general assets\nshall disclose the nature of the security. When in an equity\nreceivership it is determined that the subject under receivership is\ninsolvent, secured creditors having claims on file which do not comply\nwith this section shall make disclosure within a time to be fixed by the\ncourt.\n