TurboTax FAQ
TurboTax FAQ
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E-file rejection R0000-507-01: Someone has already filed a return with the IRS this year using your dependent's Social Security number (SSN)

A return that was rejected with Someone has already filed a return with the IRS this year using your dependent's Social Security number (SSN): Error R0000-507-01: most often occurs when your dependent has already been claimed by another taxpayer.

Less commonly, you can also get this error if you mistyped your dependent's Social Security number.


Get your dependent's Social Security card and then follow these steps to make sure their information was entered correctly:

  1. Open your return in TurboTax and click Personal Info.
  2. On the summary screen, click Edit next to your dependent's name.
  3. Make sure that the dependent's name and Social Security number exactly match the information on their Social Security card.
  4. If it's wrong, correct it, click Continue, and proceed to the File section to resubmit your return.

If you verified that your dependent(s) have been entered correctly, you can be certain that another taxpayer, such as an ex-spouse, has already claimed the dependent on their return. Here's what to do next:

  1. First, make sure you can rightfully claim this dependent and that the other person (if known) cannot.
    • If you discover you cannot claim this dependent, delete the dependent from your return and then re-file your return.
  2. If you believe you can rightfully claim the dependent, print and mail your return, as you will not be able to e-file it.
    • The IRS will process your return as usual, and issue your tax refund if you are getting one.
    • In a few months, the IRS will contact you as well as the other taxpayer to determine which taxpayer is legally entitled to claim the dependent.
    • The taxpayer who falsely claimed the dependent will be required to repay any additional taxes, plus penalties and interest, attributable to the false claim.