How Do I Correct an efile Mistake on my Online Federal or State Tax Return?
One of the benefits of filing electronically is that most simple mathematical errors will be found and corrected by the tax software. The IRS itself will often correct mathematical errors, and the service will contact you if you are missing any required information. If YOUR RETURN HAS NOT YET BEEN SUBMITTED/ACCEPTED, or if YOUR RETURN HAS BEEN REJECTED BY THE IRS, you can still make changes. If you are a registered efile.com user, just go to www.efile.com and sign in to your account. Once you have signed in you will find detailed instructions on how to resolve any problems. Please resubmit your return; you can efile as many times as it takes until your tax return has been accepted. ONCE YOUR RETURN HAS BEEN ACCEPTED BY THE IRS, you must allow them time to process it before making any changes. You cannot correct a mistake on an electronically filed federal tax return once it has been accepted. Instead, you will need to file an amended return using the paper Form 1040X (PDF), Amended U.S