File Form 1040X along with any related attachments. If you are filing the amended tax return because you received a notice from the IRS, mail it to the address listed in the notice.

You will need to use Form 1040X, Amended U.S. Individual Income Tax Return, to file an amended return. You will use this Form 1040X to amend Form 1040.

Get step-by-step instructions for how to amend a tax return using Form 1040-X, including deadlines and tips for tracking the status with the IRS.

Form 1040X: Use "Form 1040X, Amended U.S. Individual Income Tax Return," to correct a previously filed Form 1040, 1040A, 1040EZ or an electronically filed return.

Remember, though, you do not need to file a 1040X if you are only correcting errors in math ― IRS computers automatically check the math and make those corrections for you. Form 8822 Did you move?

Remember, though, you do not need to file a 1040X if you are only correcting errors in math ― IRS computers automatically check the math and make those corrections for you. Form 8822 ...