After you file

@dc20222023 It is about as clear as mud when you filed your 2022 and 2023 returns.   But if you are amending those returns--hopefully after they were fully processed-- then you have to amend correctly by going to Other Tax Situations in your desktop software programs, then go down to Other Tax Forms> Amend a Return to prepare a Form 1040X to make the correction(s) you need to make.   Print, sign, and mail the Form 1040X to the IRS.  Do not combine 2022 and 2023 in the same envelope.  Mail each one separately or you risk that one of them will be overlooked by the human who opens the envelope.   Use tracking like certified mail so you will know it was received.   It can take four months or more for the IRS to process an amended return.

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