If QuickBooks warns you that negative numbers appear in one of the boxes on
a Form W-2, there must be an error in the calculations, usually due to how your
payroll was set up.
Note the number of the box(es) in the error message.
Click the Help about this form link at the bottom of the Form W-2 to learn
more about the data in the box(es) and possible troubleshooting options.
If you still need more help:
Run a payroll item listing
report and review the tax tracking type associated with the payroll item(s)
that feed into the box.
If this is the cause
This is the solution
Incorrect tax tracking type assigned to the payroll item
Edit the payroll item and
change the tax tracking type.
Calculated total for a box resulted in a negative amount
Run a payroll item detail
Modify the report to filter on the employee with the
Then review the report to find the source of the error.
Enter a payroll liability adjustment to
fix the problem.