The IRS will often automatically make a correction to your tax return for missing or incorrect W-2 or 1099 forms. You do not need to amend your federal tax return if the IRS corrects the error when they process your original tax return.

When can you amend a tax return?

Generally, you must file an amended return within three years from the date you filed your original return or within two years from the date you paid any tax due, whichever is later. If you filed your original return before the due date (usually April 15), it’s considered filed on the due date.

What happens when you file an amended tax return?

You will receive any additional refund you are owed. Amending to pay additional tax. If you’re filing an amended tax return because you owe more tax, you should file Form 1040X and pay the tax as soon as possible. This will limit interest and penalty charges.

Can a nonresident alien file an amended tax return?

Nonresident aliens are not eligible to receive this stimulus. If you believe that you have received this payment in error, it is likely that you should file an amended tax return and also return the payment to the IRS (the payment should be sent separately to your amended return).

How long does it take to amend Form 1040X?

The normal processing time for form 1040X is between 8 and 12 weeks from the time the IRS receives your tax return. If you are amending for more than one tax year, you will need to file Form 1040X for each tax year separately.

What happens if I accidentally file Form 1040 instead of 1040NR?

What if I accidentally filed form 1040 instead of form 1040NR / 1040NR EZ? Nonresidents who file their tax returns with form 1040 (which is for U.S. citizens and residents) instead of the return for nonresidents ( Form 1040NR) may claim credits or take deductions to which they are not entitled.