Part 1 – Complete this part to calculate your withholding allowances for New York State and Yonkers (line 1 of Form IT-2104). Search Tax Search Tax. Individuals.Child Support Forms ; 4-8c. You must give Form NJ-W4 to your employees to fill out and return to you. This form tells you how to withhold tax from your employee's pay. To generate the amended New York return, complete the NY > X1 screen. The business can be active or in the process of being liquidated. To generate the amended New York return, complete the NY > X1 screen. If the employer and the employee, or in the case of any other type of payment the person making and the person receiving the payment, agree to such withholding. Document ID: REV-467.