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3 replies

Critter
Employee
June 22, 2020

Only include forms that support the changes made in column B of the form 1040X.

DoninGA
Employee
June 22, 2020

You include copies of the W-2 and 1099-R if they are additional income being reported or you received corrected forms.

June 22, 2020

Only include the document of proof for the reason 1040X was needed.  Ex: If you received a W2 that was not included on Origin return, attach that W2 only to 1040X