N.Y. Comp. Codes R. & Regs. tit. 3, § 422.4
(a) Within 21 business days of when a mortgagee or mortgage loan servicer of a property learns, or should have learned, that a property is vacant and abandoned, the mortgagee or mortgage loan servicer shall submit or cause to be submitted on the form prescribed by the department the following information:
(b) A mortgagee or mortgage loan servicer of property learns, or should have learned, that a property is vacant and abandoned when the mortgagee or mortgage loan servicer knew or should have known one or more of the following:
(1) that three inspections of the subject residential real property conducted 25 to 35 days apart and at different times of the day indicated, or would have indicated, that: