If you want to make changes after the original tax return has been filed, you must file an amended tax return using a special form called the 1040X, entering the corrected information and explaining why you are changing what was reported on your original return. You don’t have to redo your entire return, either.

What happens if I screw up my taxes?

If nobody finds your error, your tax return might get processed with the mistake intact. Unfortunately, your oversight might turn up during an IRS audit, and if that happens, you could end up with an unexpected and large tax bill—plus interest.

If you made a mistake on your tax return, you need to correct it with the IRS. To correct the error, you would need to file an amended return with the IRS. If you fail to correct the mistake, you may be charged penalties and interest. You can file the amended return yourself or have a professional prepare it for you.

What to do if your tax preparer screwed up?

If your tax return or refund was affected by the error, you’ll also need to complete Form 14157-A (“Tax Return Preparer Fraud or Misconduct Affidavit”). If you received a notice from the IRS, mail the forms with copies of any supporting documentation to the address shown in the letter.

What to do if you make a mistake on your tax return?

If you realize you made a mistake but the due date for filing hasn’t passed, don’t file an amended tax return. Instead, file another original tax return with your correct information.

What happens if my tax return is rejected?

Now you have to wait until the IRS either rejects or accepts your return. If your return is rejected, you will be able to go into your account and make the necessary changes to your tax return and re-submit your return.

What happens if H & are block makes an error on your tax return?

If H&R Block makes an error on your return, we’ll pay resulting penalties and interest. If you discover an H&R Block error on your return that entitles you to a larger refund (or smaller tax liability), we’ll refund the tax prep fee for that return and file an amended return at no additional charge.