Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. Give Form W-4 to your employer.Part 1 – Complete this part to calculate your withholding allowances for New York State and Yonkers (line 1 of Form IT-2104). File original documents along with a detailed written record of any relevant conversation with the employee in the employee's personnel file. Before making any entries, see the Note below, and if applicable, complete the worksheet in the instructions. To download a State W-4 Form with instructions, click here. Organizations seeking exemption from New Jersey Sales and Use Tax must complete all steps of the REG-1E application. Complete this form and present it to your employer to avoid any delay in adjusting the amount of state income tax to be withheld from your wages. To backup withholding. See What is backup withholding?