@tetsuwanatomu Just saw this FAQ updated 2 days ago. It says......
The TurboTax amend process for 2021 will be available soon. When it's ready, you can e-file your 2021 1040-X.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/e-file-1040x-amend-return/L9t...
