Miked
Level 2

Where is the FORM 1120X for amending an 1120S; I'm looking in the 2018 software

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poolcleaner
Level 9

It is amended by filing a corrected Form 1120-S.  Check Box H 4 on the first page of the return.  Follow the instructions on Page 6 of the instruction for the 1120-S. These are the instructions for the federal return not the NY return.

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poolcleaner
Level 9

I would use the instructions for the 2021 1120-S since the IRS often wants you to use the most up to date information when amending returns.

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