You should review the information on W-2 forms before printing them. If you
notice anything missing, or if you want to adjust for something you don't
track on paychecks, you can edit the fields on the form. Some fields may
require that you edit the employee records.
If you are uncertain about how to report a specific benefit or amount on the
W-2 form, consult your accountant or federal tax guidelines.
forms for completeness
Form W2 and Form W-3: an overview