It is possible for QuickBooks Payroll Not Calculating Taxes Correctly to be caused by out-of-date software, inaccurate payroll settings, or insufficient employee data. Inaccurate tax returns and paychecks could result from this problem. Make sure all software updates are installed, and make sure employee and tax settings are set up appropriately, in order to resolve. Please contact our QuickBooks Experts Team at 1-855-409-2300 for prompt assistance.