Yes, you will have to amend the 2021 tax return that was filed to add the Form 1099-R that you received.
An amended return, Form 1040-X, can only be printed and mailed to the IRS if the original tax return was not e-filed. The IRS will take up to 16 weeks or longer to process an amended tax return.
Before starting to amend the tax return, wait for the tax refund to be received or the taxes due to be paid and processed by the IRS.
The 2021 federal amended tax return, Form 1040-X, is estimated to be available in TurboTax on 02/24/2022
