How Do I Correct a Mistake on My W-2?
Possible penalties for filing an incorrect W-2 Unfortunately, filing an amended form does not guarantee you’ll walk away penalty-free. You might be subject to penalties if you fail to file a Form W-2 with correct information by January 31. Penalty amounts depend on when you file a corrected W-2 form.
When do you need to make a correction on a W-2?
Tip #4: Note the situations where a W-2c is optional. For example, if the W-2 reflects the wrong employee address, but everything else is accurate and you’ve already filed the W-2 with the SSA, you can make the correction in one of three ways: Give the employee a new Form W-2 with the correct address.