Question
What should I do if I made a mistake on my federal return that I've already filed?
Answer

It depends on the type of mistake you made:

  • Many mathematical errors are caught during the processing of the tax return and corrected by the IRS, so you may not need to correct these mistakes.
  • If you didn't claim the correct filing status or you need to change your income, deductions, or credits, you should file an amended or corrected return using Form 1040-X, Amended U.S. Individual Income Tax Return.

When filing an amended or corrected return:

  • Include copies of any forms and/or schedules that you're changing or didn't include with your original return.
  • To avoid delays, file Form 1040-X only after you've filed your original return. Generally, for a credit or refund, you must file Form 1040-X within 3 years after the date you filed your original return or within 2 years after the date you paid the tax, whichever is later.
  • If you file an amended or corrected return before the due date for the original return, the amended return will replace or supersede the original return. Filing a superseding return and paying any additional taxes owed may allow you to avoid interests or penalties.
  • Allow the IRS up to 16 weeks to process the amended return.

Please note: Due to processing delays, it’s taking us more than 20 weeks to process amended returns.

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