1040X Amended Income Tax Return
Printable Tax Form And Instructions 2018, 2017, 2016

2018 1040X Tax Form and Instructions
Print IRS Form 1040X 2018 and IRS Form 1040X Instructions 2018 for 2019 federal income tax returns.

Form 1040X is used to correct IRS Form 1040EZ, Form 1040A, and Form 1040. To obtain a credit or refund based upon your correction, Form 1040X generally must be filed within three years of the return due date, April 15 for example. See the Form 1040X instructions booklet for exceptions to this rule and more details on when and where to file.

Examples of when to use Form 1040X:

  • Missed a credit or deduction which reduces your tax due.
  • Found a shoe box full of receipts after you filed your return.
  • Correct an error on Form 1040, Form 1040A, or Form 1040EZ.
  • Change return amounts which were adjusted by the IRS.
  • Claim a carry back due to a loss or unused credit.

2018 1040X Form And 1040X Instructions

Click the federal IRS Form 1040X and 1040X instructions links below to download, view, print, edit, or save as a PDF file. These free PDF files are unaltered and are pulled directly from the publisher. Form 1040X is a multi-year form which can be used for income tax years 2018, 2017, and 2016.

1040X Form (multi-year)
1040X Instructions

Form 1040X and the 1040X instructions booklet are generally updated in December of each year by the IRS. If updated, the 2018 tax year PDF file will display, the prior tax year 2017 if not. Last year, many of the individual income tax forms were published late in December, with instructions booklet following in early January due to last minute legislative changes.

More Tax Forms, Schedules, And Instructions

The printable 1040X tax form and instructions booklet links above are a quick reference for those looking to print the one federal IRS form. Even more printable federal IRS tax forms, supporting schedules, and instructions booklet are grouped by year on our pages below:

2018 Tax Forms
2017 Tax Forms
2016 Tax Forms
2015 Tax Forms
2014 Tax Forms

Please report any broken 1040X tax form and instructions booklet links using our contact us page found at the bottom of this page.

Last updated: February 24, 2019