The Wage Tax must be filed quarterly and paid on a schedule that corresponds with how much money is withheld from employees' paychecks. Tax filing and payment details for people who work in Philadelphia but don't have City Wage Tax withheld from their paycheck.This form allows the employee to verify that the employer is withholding the correct tax rates for the correct municipalities. This form explains how much money to withhold for federal income taxes. Note that employees can fill out a new Form W-4 when applicable. 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. If you use a tax preparer to fill out Form 941, make sure the preparer shows your business name exactly as it appeared when you applied for your EIN. Use Withholding Tax Web File to file your quarterly return. About Federal Tax Liens.