When Should You File An Amended Tax Return?

April 12th, 2011

There is a need to consider one of the risks associcated with electronic filing (aka “e-filing”) as Americans move closer to being required to file all of our tax returns electronically.  Once a tax return has been e-filed it can not be retrieved or modified.  The only option that is available is to file an “amended’ (or “corrected” in some cases) tax return.  This situation can certainly occur if you prematurely and hastily launched the “e-file” function in you tax preparation software.  It’s a rather nasty feeling!  In the proverbial sense, as Tom Hanks said in the movie Apollo 13, “Houston, we have a problem!”  This article provides information and guidance for this situation.  From IRS Topic 308:

“If you discover an error after your return has been mailed, you may need to amend your return. The service center may correct errors in math on a return and may accept returns with certain forms or schedules left out. In these instances, do not amend your return! However, do file an amended return if your filing status, your income, your deductions or credits are incorrect.

Use Form 1040X (PDF), Amended U.S. Individual Income Tax Return, to correct a previously filed Form 1040 (PDF), Form 1040A (PDF), Form 1040EZ (PDF), Form 1040NR (PDF), or Form 1040NR-EZ (PDF). If you are filing to claim an additional refund, wait until you have received your original refund (you may cash that check). If you owe additional tax for a tax year, file Form 1040X and pay the tax by April 15 of the following year to avoid penalties and interest. If the due date falls on a Saturday, Sunday, or legal holiday, the due date is delayed until the next business day. The Form 1040X Instructions list the addresses for the service centers.

File a separate Form 1040X for each year you are amending. Mail each form in a separate envelope. Be sure to enter the year of the return you are amending at the top of Form 1040X. The form has three columns. Column A shows original or adjusted figures from the original return. Column C shows the corrected figures. The difference between Columns A and C is shown in Column B. There is an area on the back of the form to explain the specific changes being made and the reason for each change. Attach any forms or schedules that are affected by the change. Generally, to claim a refund, Form 1040X must be filed within 3 years from the date of your original return or within 2 years from the date you paid the tax, whichever is later. Returns filed before the due date (without regard to extensions) are considered filed on the due date.

  • Attach copies of any forms or schedules that are being changed as a result of the amendment, including any Form(s) W-2 received after the original return was filed.
  • Tax forms can be obtained by calling 800-829-3676 or visiting www.irs.gov
  • An amended tax return cannot be filed electronically under the e-file system.
  • Normal processing time for Forms 1040X is 8 to 12 weeks from the IRS receipt date.

 Please Note: Your state tax liability may be affected by a change made on your federal return. For information on how to correct your state tax return, contact your state tax agency.” 

Nine Facts on Filing an Amended Return 

An amended tax return generally allows you to file again to correct your filing status, your income or to add deductions or credits you may have missed.

Here are nine points the IRS wants you to know about amending your federal income tax return.

  1. Use Form 1040X, Amended U.S. Individual Income Tax Return, to file an amended income tax return.
  2. Use Form 1040X to correct previously filed Forms 1040, 1040A or 1040EZ. An amended return cannot be filed electronically, thus you must file it by paper.
  3. Generally, you do not need to file an amended return due to math errors. The IRS will automatically make that correction. Also, do not file an amended return because you forgot to attach tax forms such as W-2s or schedules. The IRS normally will send a request asking for those.
  4. Be sure to enter the year of the return you are amending at the top of Form 1040X. Generally, you must file Form 1040X within three years from the date you filed your original return or within two years from the date you paid the tax, whichever is later.
  5. If you are amending more than one tax return, prepare a 1040X for each return and mail them in separate envelopes to the appropriate IRS campus. The 1040X instructions list the addresses for the campuses.
  6. If the changes involve another schedule or form, you must attach that schedule or form to the amended return.
  7. If you are filing to claim an additional refund, wait until you have received your original refund before filing Form 1040X. You may cash that check while waiting for any additional refund.
  8. If you owe additional 2010 tax, file Form 1040X and pay the tax before the due date to limit interest and penalty charges that could accrue on your account. Interest is charged on any tax not paid by the due date of the original return, without regard to extensions.
  9. Form 1040X was recently redesigned. Previously the form consisted of three columns; Column A-Original amount, Column B-Net change, and Column C-Correct amount. The redesigned form now has just one column where the Correct Amount is the only figure entered, making it easier to make changes to previously filed returns.

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Posted by Bill Seabrooke