Form IT-2104, Employee's Withholding Allowance Certificate, is a document developed by the New York State Department of Taxation and Finance (NYS Tax Department). The purpose of the application is to specify how much tax needs to be withheld from an employee's pay. It is supposed to be filled out by an individual who works in New York State (New York City and Yonkers) and given to their employer. The document should be completed each year for reasons listed in the attached IT-2104 instructions. These instructions include:
The form was last revised in 2020.
An IT-2104 fillable form is available for download below.