The difference between IRS forms W-2 and W-4 lies in who fills out the documents.
The difference between IRS forms W-2 and W-4 lies in who fills out the documents. When starting a new job, employees complete Form W-4 to determine how much tax employers should withhold from their paychecks. At the end of each year, employers file Form W-2 to indicate the amount that was withheld.
