Home State Payroll Services Payroll Online Services Payroll Online Services The following services are available from Central Payroll Bureau to make managing employee payroll information quick and easy! Net Pay Calculator - The net pay calculator can be used for estimating taxes and net pay. Before you start, you'll need a copy of your pay stub for reference. IRS Withholding Calculator - The IRS encourages everyone to use the IRS Withholding Calculator to perform a quick"paycheck Checkup" This is even more important this year because of recent changes to the tax law for 2018. POSC (Payroll Online Service Center) - This application provides employees with the following online payroll related services: View of current pay stubs View of prior year-end pay stubs View & print of up to (3) years of W-2s Update your address information Update your direct deposit information Important! On first use, you'll create a user account. In order to do that, you will need your Social Security Number (SSN), date of birth, and the "Agency Number" and "Check/Advice Number" from your most recent paystub. If you don't have it, contact your Agency's Payroll Representative before attempting to create an account.