The New York itemized deduction of a resident individual means the total amount of his or her deductions from federal adjusted gross income allowed, other than federal deductions for personal exemptions, as provided in the laws of the United States for the taxable year, as such deductions existed immediately prior to the enactment of Public Law 115-97 with the modifications specified in this section, except as provided for under subsections (f) and (g) of this section.

https://www.nysenate.gov/legislation/laws/TAX/615