Complete Form REV-419 so that your employer can withhold the correct. Pennsylvania personal income tax from your pay.Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. Give Form W-4 to your employer. Employer Instructions: You must keep a copy of this form on file for each employee who claims exemption from withholding of Pennsylvania. Complete Form REV-419 so that your employer can withhold the correct Pennsylvania personal income tax from your pay. Números de declaración emitidos por. FEMA. Se ha añadido un nuevo espacio al. Instructions for Applying for a Second PA Withholding Tax Account: 1. Print pages 4, 5, and 6 of the Form PA-100. 2.