Can I amend my tax return if I already filed?

Asked by: Dr. Pascale Moore DDS  |  Last update: April 23, 2025
Score: 4.7/5 (15 votes)

If you need to make a change or adjustment on a return already filed, you can file an amended return. Use Form 1040-X, Amended U.S. Individual Income Tax Return, and follow the instructions.

Can you amend your tax return once submitted?

What if you've sent in your income tax return and then discover you made a mistake? You can make things right by filing an amended tax return using Form 1040-X.

Is there a penalty for amending a tax return?

There is no penalty for simply filing an amended return. But if your mistake caused you to underpay tax, you will owe that additional tax. If you amend your tax return before the April deadline and pay the remaining tax you owe, you won't have to pay a penalty.

How much does it cost to amend a tax return?

Previous year amendments can be completed for free, but will need to be mailed in as the IRS does not accept e-filed returns for years that have passed. It does not cost anything to fill in and mail a tax amendment.

Will the IRS notify me if I need to amend my tax return?

The IRS will correct the math error while processing the tax return and notify the taxpayer by mail.

How to Amend Taxes That Are Already Filed - TurboTax Tax Tip Video

23 related questions found

Does amending your taxes trigger an audit?

The very fact that you filed an amended return will not, in and of itself, increase your chance of being audited. However, what you change and the magnitude of that change might trigger an audit.

Is amending a tax return a red flag?

4. Amended Returns. Amended returns will probably generate closer scrutiny by the IRS. Filing an amended return, particularly if it results in a significant decrease in tax, is almost guaranteed to get a second look by the IRS.

How hard is it to amend a tax return?

Filing an amended return isn't particularly difficult, but there are a few things you should know about the process before getting started. It also helps to be familiar with some common occurrences that can trigger the need for an amended return.

How much does H&R Block charge for an amendment?

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.

How much does TurboTax charge to amend a tax return?

There is no additional fee to amend a tax return originally prepared using TurboTax unless the amended return requires an upgrade to the version originally used.

Can you change your tax filing status at any time?

Yes, even if you've filed jointly for years, you can change your filing status to married filing separately on a new return whenever you wish. You won't pay a penalty for changing your filing status.

Will I owe money if I amend my taxes?

Typical amended return scenarios

You already paid the original amount due. You need to pay the difference. Pay or update your payment plan . If it's after the due date, you may need to pay interest and penalties.

Which is not a valid reason to file an amended return?

If your return has an arithmetic error, there's no need to file an amended return. The IRS will usually correct it and send you a notice letting you know. But — you or your tax professional should confirm that the IRS changes are correct.

How to rectify an income tax return?

Step 1: Select the request type as Reprocess the Return. Step 2: With this option, you just need to submit the rectification request - Click Continue to submit the request. Step 3: On submission of your request, you will be taken to the e-Verification page. Note: Refer to the How to e-Verify user manual to learn more.

What happens if I already filed my taxes and got another W-2?

Share: Regarding filing an amended tax return, if you've already filed your return, you can't add another W-2 to your return. Instead, proceed by filing form 1040X to amend your return. Mail the completed 1040X to the IRS.

What is the penalty for making a mistake on taxes?

In cases of negligence or disregard of the rules or regulations, the accuracy-related penalty is 20% of the portion of the underpayment of tax that happened because of negligence or disregard.

Can you edit a tax return once submitted?

If you need to make a change or adjustment on a return already filed, you can file an amended return. Use Form 1040-X, Amended U.S. Individual Income Tax Return, and follow the instructions.

How much do tax preparers charge for an amended tax return?

Simple errors

Filing an amended tax return due to a minor error like a missed form (like a W-2 or 1099) will fall into the $200 - $400 range. This applies to straightforward cases where the CPA doesn't have to spend much time on the return.

Who pays if H&R Block makes a mistake?

Generally, H&R Block will not directly pay the deficiency tax owed due to mistakes on a tax return, as the taxpayer is ultimately responsible for the content of their tax return and any taxes owed. However, if H&R Block makes an error, they may cover penalties and interest resulting from that error.

How long after filing taxes can you amend?

When to file an amended return. Generally, to claim a refund, you must file an amended return within 3 years after the date you filed your original return or 2 years after the date you paid the tax, whichever is later. If you filed early, count from the April tax deadline.

Will the IRS let me know if I made a mistake?

An IRS notice may alert you to a mistake on your tax return or that it's being audited. You can verify the information that was processed by the IRS by viewing a transcript of the return to compare it to the return you may have signed or approved. You can access your tax records through your account.

What raises red flags with the IRS?

Another easily avoidable audit red flag is rounding or estimating dollar amounts on your tax return. Say, for instance, you round $403 of tip income to $400, $847 of student loan interest to $850, and $97 of medical expenses to $100. The IRS is going to see all those nice round numbers and think you're making them up.

What income is most likely to get audited?

High income

As you'd expect, the higher your income, the more likely you will get attention from the IRS as the IRS typically targets people making $500,000 or more at higher-than-average rates.

Will I get audited if I amend my taxes?

The IRS has formally stated that audits do not automatically follow an amended tax return. If the amended return results in a significant change in your favor, and the circumstances surrounding the change seem suspicious, the IRS likely will start an audit.