IRS Tax Return Rejection Code F1040-518

Reject Code F1040-518 – Spouse Is Claimed as a Dependent on Another Taxpayer’s Return.

The rejection code F1040-518 message from the IRS means that your tax documents cannot be processed because they have information that your spouse has been claimed as a dependent on an already-filed return by someone else. 

What Steps do I Take to Resolve the Reject Code F1040-518?

If the F1040-518 reject code has happened then you need to verify all information relating to your spouse and that they were not claimed as dependent by someone else. You need to remember that if they were claimed, you cannot claim them as dependent on your tax return. 

However, on the other hand, if you believe that your spouse was not claimed on someone else’s tax document, then you have to validate all information and correct any discrepancies and resubmit your returns. To have your tax papers processed seamlessly, it is important to understand that all information must be accurate to avoid further rejection codes such as F1040-518  

A paper return must be filed if you continue to receive the reject code F1040-518 for your electronic return. This will allow you to submit your return via mail and provide any necessary documentation to support your claim.

What are the Types of Rejection Codes Where a Spouse Has Been Already Claimed?

The IRS has a list of reject codes that taxpayers face concerning their tax documents. Most of these error codes are similar but mean the same thing. Some similar error codes like F1040-518 are listed below:

IND-517-01	Spouse or Dependent SSN already used
F540/NR/NRS/2EZ-320	The state of California says that the Spouse is already claimed
IND-510-01	Spouse SSN has already been used
IND-513	Spouse SSN has been used in the same tax year
IND-510-02	Spouse SSN cannot be the same.

As you see the above reject codes by the IRS all of them related to the either SSN or spouse already claimed on tax returns as the reject code F1040-518

Can I Resolve Reject Code F1040-518 in TurboTax Program?

You can use the following methods to resolve or fix reject code F1040-518 in TurboTax. 

• Sign in to your TurboTax account and select the option to fix your rejected return.
• Review the rejection code F1040-518 and check if your spouse was claimed as a dependent on another taxpayer’s return. 
• If your spouse was claimed as a dependent on another taxpayer’s return, you cannot claim them as a dependent on your tax return. You will need to remove your spouse from your tax return and resubmit it.
• If your spouse was not claimed as a dependent on another taxpayer’s return, check your tax return for any errors or discrepancies such as Name, SSN, and Address and make the necessary corrections.
• Once you have made the corrections, resubmit your tax return through TurboTax.

If you continue to receive rejections, you may need to file a paper return and provide any necessary documentation to support your claim.

The reject code F1040-518 is a common error that taxpayers may face when filing their tax returns. It deals with the spouse being already claimed, and the taxpayer cannot make the same claim. To correct this issue, taxpayers should verify their spouse’s dependency status, correct any errors, and resubmit their return. Taxpayers who continue to receive rejections may need to file a paper return or seek assistance from tax preparation software or customer support.

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