How can I amend my 2021 new york state income return only

Yes, you can amend just your 2021 New York tax return.  To do so in TurboTax.  If you filed your return using TurboTax Online, log in to TurboTax:

1. On the Tax Home screen, scroll down to Your tax returns & documents and select the year you want to amend.
2. Select the Amend (change) return dropdown, then Amend using TurboTax Online. If you're told to amend your return via TurboTax Desktop, follow the steps for TurboTax Desktop instead.
3. Continue through the screens, make the changes you need to make, and carefully answer the remaining questions to finish amending your return.

If you didn't use TurboTax to prepare your 2021 tax return, you will need TurboTax Desktop Software.  To purchase TurboTax Desktop Software for 2021 go to:  TurboTax Desktop 2021

You can also get a copy of the New York Amended Tax Return Form and instructions by clickiing:  IT-201-X (2021) (Fill-in)  IT-201-X-I (2021) (Instructions)