Share: Relating to filing an amended tax return, for those who've already filed your return, you can't insert An additional W-two to your return. As an alternative, proceed by filing form 1040X to amend your return. Mail the completed 1040X to your IRS. You will need to print and mail https://where-to-file-a-1040x-ame89999.blogaritma.com/33733939/not-known-facts-about-hire-someone-to-amend-tax-return