This form allows the employee to verify that the employer is withholding the correct tax rates for the correct municipalities. Thank you for your interest in applying at Allegheny County.The following information will assist you through the application process. Information about Form W4, Employee's Withholding Certificate, including recent updates, related forms and instructions on how to file. Tax Forms, Work From Home - Local Services Tax and Payroll Expense Tax Information(PDF, 245KB), Important Information for City of Pittsburgh Taxpayers. Find resources and information on applying for job openings in Allegheny County, including disability accommodations, rehires, and application FAQs. All employers, located in Pennsylvania, must withhold the non-resident tax rate for employees living outside of Pennsylvania, if one exists. The following forms can be printed and submitted to your county DRS. Read the descriptions to determine which forms are appropriate for your needs. List the applicant's actual full last name, first name and middle name or full business name.