IRS Form 1040-x or the "Amended U.s. Individual Income Tax Return" is tax form released and collected by the United States Internal Revenue Service. The January 1, 2018 fillable version of the 1040-x Form can be downloaded below in PDF-format.
The IRS-issued "Amended U.s. Individual Income Tax Return" is available for digital filing or can be filled out through the Adobe Reader application on your desktop or mobile device.