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.The law says that Treasury may withhold money to satisfy an overdue (delinquent) debt. It requires all purchasers to secure from sellers bulksale clearance certificates. For further assistance, please call (717) 783-6052. The analysis found that Philadelphia's overall effective tax rate is lowest on lowincome households that own their homes. No refund or credit can be taken for any withholding greater than the tax rate for your resident taxing jurisdiction. 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 qualified for PA's Special Tax Forgiveness, that means that you can get back most of the Philly tax that was withheld from your pay last year.