Certificate of Residence. How to Complete the Form.This form allows the employee to verify that the employer is withholding the correct tax rates for the correct municipalities. In completing the forms, the following requirements must be met: • The Limited Liability name must be available for use. Tax Forms, Work From Home - Local Services Tax and Payroll Expense Tax Information(PDF, 245KB), Important Information for City of Pittsburgh Taxpayers. A Business Filing Services account is required for all online filing. New entity filing forms are available on the "Initial Forms" tab.