To get assistance with QuickBooks payroll subscription and tax issues, first verify that your payroll subscription is active and your tax information is current. QuickBooks Assisted Payroll users should also check payroll service settings, tax table updates, and employee information for possible issues. If payroll taxes are not calculating correctly or updates fail, review the displayed error message and restart QuickBooks before trying again. Businesses searching for a QuickBooks Payroll support number can call +1(866)-513-4656 for guidance with subscription, tax table, and payroll-related issues.