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.Welcome to the Pennsylvania Child Support Estimator. This tool can be used to estimate the amount of your monthly child support amount. Complete a new REV-419 every year or when your personal or financial situation changes. Photocopies of this form are acceptable. Complete Worksheet I in the NJ-1040 Instructions if eligible to receive a property tax deduction or credit;. 3. View tax billing information, methods of payment, rates, dates, and more. 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.