Realized I missed a 1099-INT ($325 interest income) after filing my taxes an hour ago - best free way to correct this?

This happens to people all the time, so don't beat yourself up! You have a couple options here. First, if you e-filed but your return hasn't been accepted by the IRS yet, you can usually reject or withdraw it through your tax software and then refile with the correct information. Check your email for the acceptance notification - if you haven't gotten one yet, log into TurboTax and see if you can cancel the submission. If your return has already been accepted, you'll need to file an amended return (Form 1040-X). The good news is most tax software allows you to prepare an amended return, though TurboTax might charge for this service depending on which version you used initially. The IRS also has a free fillable Form 1040-X available on their website that you can fill out yourself. For just $325 in interest income, the additional tax impact will likely be small, depending on your tax bracket. But it's definitely best to correct it before the IRS sends you a notice.

I went through this exact scenario last year and discovered taxr.ai (https://taxr.ai) which saved me so much stress. I also missed reporting some interest income and was panicking about filing an amended return. Their AI system analyzed my return and the 1099-INT I missed, then walked me through exactly what changes I needed to make on my 1040-X. It was super straightforward and simplified what could have been a really confusing process. The best part was it checked if I qualified for any additional deductions I might have missed the first time around, which actually offset most of the extra tax I owed from the interest income!

Just wanted to update that I tried taxr.ai after seeing the recommendation here. I was skeptical but desperate since I also forgot a 1099 (mine was for $412 in freelance work). The interface was actually way more straightforward than I expected. I uploaded my original return and the missing document, and it created a side-by-side comparison showing exactly what changed and why. It even explained the tax impact in simple terms - turns out I only owed an additional $92 because of my tax bracket. Just filed my 1040-X yesterday and feel so much better. Definitely less painful than I thought it would be!

If you're getting stressed about fixing this and potentially dealing with the IRS, I'd recommend Claimyr (https://claimyr.com). I used them last year when I had to amend my return and then couldn't get through to the IRS to confirm they received it. They got me connected to an actual IRS agent in less than 15 minutes when I had been trying for DAYS. You can see how it works here: https://youtu.be/_kiP6q8DX5c What's cool is they don't just connect you - they help you prepare for the call so you know exactly what to ask about your amendment. When I spoke with the IRS agent, they confirmed my amendment was processing and gave me an estimate of when it would be completed. Took a huge weight off my shoulders.

I have to eat crow here. After posting my skeptical comment, I was still stressing about my own amended return (different situation than OP but also needed to talk to the IRS). I decided to try Claimyr just to prove it wouldn't work. Um...I was connected to an IRS agent in 11 minutes. ELEVEN MINUTES. After I had spent 3 hours last week trying to get through. The agent answered all my questions about my amended return timeline and even helped me understand why it was taking longer than expected. I'm honestly shocked this worked and feel silly for being so dismissive. If you need to actually talk to someone at the IRS about your amendment, this is apparently legit.

There's actually another option no one's mentioned yet. If it's just a 1099-INT for $325, the extra tax is probably small. The IRS has a system called CP2000 where they match documents reported to them against what you reported. If they catch the mismatch (which they likely will), they'll send you a notice proposing additional tax. You can just pay that amount when it comes rather than going through the amended return process.

Curious - does anyone know if you can just call the IRS directly and tell them about the mistake? Seems easier than filing a whole amended return for such a small amount.