Good question.
I don't know but would assume yes, since TurboTax has always supported amending for the 3 year statute of limitations for getting a refund, but I have not seen anything official about it.
AFAIK the IRS will allow e-file of 2019 (and later) amended returns indefinitely.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
