How do I add Form 843 "Claim for Refund and Request for Abatement" to my return when I've already filed it?

[DoninGA]

TurboTax does support IRS Form 843

IRS Form 843, Claim for Refund and Request for Abatement - https://www.irs.gov/pub/irs-pdf/f843.pdf

IRS Form 843 instructions - https://www.irs.gov/pub/irs-pdf/i843.pdf

[wililamlam]

Hi can you confirm if TurboTax "does" or "does not" support IRS Form 843. I think you are implying no but stating yes.