This form allows the employee to verify that the employer is withholding the correct tax rates for the correct municipalities. Along with the Medical and Life Insurance Forms on the Benefits page, you may need the following forms., Local Services Tax (LST) Forms, For Employers. Tax Forms, Work From Home - Local Services Tax and Payroll Expense Tax Information(PDF, 245KB), Important Information for City of Pittsburgh Taxpayers. 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. Employers should use PSD code "880000" on quarterly reports to identify nonresident employees. Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. CCAC is like no other workplace in the Pittsburgh area. The CCAC community is like a family—many employees have been with the college for 30 years or more!