I amended a tax return and downloaded form 1040X, what part of the form do I have to mail?

[props2381]

My 1040X form consists of 8 pages, do I have to mail all of it?

[bluedeb · Accepted solution]

What forms do I attach to 1040X (for Federal)?

Attach to the front of the Form 1040X: - A copy of any Forms W-2, W-2c (a corrected Form W-2), and 2439 that support changes made on the return - A copy of any Form W-2G and 1099-R that support changes made on the return, but only if tax was withheld - A copy of any Forms 1042S, SSA-1042S, RRB-1042S, and 8288-A that .

https://www.irs.gov/instructions/i1040x