The rules regarding child support are vast and complex, and no two cases are the same but here is some tips for filing and preparing. INDIVIDUAL ACT-32 Forms.Welcome to the Pennsylvania Child Support Estimator. This tool can be used to estimate the amount of your monthly child support amount. Withholding Tax Forms and Instructions To ensure you are able to view and fill out forms, please save forms to your computer and use the latest. Use this tool to estimate the federal income tax you want your employer to withhold from your paycheck. This is tax withholding. Pennsylvania exempts all forms of retirement income from taxation for residents 60 and older.