For your initial submission, we just need to see a complete copy of your official government notice or letter. You'll need to scan it as an image or PDF file so you can upload it. Go here to submit your claim.
We may contact you for additional documents, like your tax data file and/or copies of W-2 or 1099 forms. We'll start reviewing your case once we've received everything we need.
You can read the fine print at the Intuit Software End User License Agreement for TurboTax Desktop Software or the End User License Agreement for TurboTax Online. Enter accurate calculation in the Find feature in your browser (usually listed under Edit) to go to it quickly.