Gov (search: IT-2104-I) or scan the QR code below. Your employer will use the information you provide on this form—including residency, marital status, and allowances—to withhold these taxes from your pay.Today we are talking all about the new york state withholding form and how to fill that out. All income and withholding tax should be reported in Canadian funds. Enter currency code CAD. Employees may want to increase income tax deductions to avoid having to pay a large amount of tax when they file their income tax and benefit return.