DanielV01
Expert Alumni

Get your taxes done using TurboTax

It depends.  If your daughter has a double-last name, it is possible that the first last name is appearing as the middle name in the IRS' database.  If she has a double-last name, try using the second last name as her last name.

Also, make sure that the last name is spelled correctly and that her birthdate is entered exactly.

Finally, make sure the code is stating that it is a TIN mismatch and not that her SSN has been used on another return.  If all else fails, you would have to mail in your return, but usually the issue is in one of these areas.

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