You did it, you filed your taxes! It feels great, but what happens if you check the mail and receive an unexpected tax document later?

Amending your return to correct a mistake may help you get your rightful refund or avoid trouble with the Internal Revenue Service ... you would use Form 1040-X, 'Amended U.S. Individual Income ...

File a 1040-X form within the three-year amendment eligibility period ... unbiased content in our editorial policy. Internal Revenue Service. “Instructions for Form 1040-X." ...

The Internal Revenue Service is one of the oldest ... individuals was established in 1913 under the 16th Amendment, and a year later, Form 1040 was introduced to help simplify the process of ...

Internal Revenue Service 1040 Individual income tax forms for 2021 on Tuesday, April 12, 2022. If you haven't filed your 2021 tax returns you might be missing on a COVID stimulus payment.