You can either file amended returns for 2021 and 2022, or you can file Form 3115 with your 2023 return. I recommend you file amended returns for 2021 & 2022. I would not file your 2023 tax return until you have heard from the IRS as to whether or not your changes were approved. File an extension if necessary (but be sure to pay any tax due by April 15). If they are not approved (which I think is unlikely) then you can file Form 3115 with your 2023 return.
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