If your Social Security Number is used on more than one return, TaxAct will notify you, even if you have not yet filed your return.
Duplicate SSNs are usually the result of a typo or other manual mistake. If the information you have entered is correct, you may have created more than one account.
Make sure you have entered the correct SSN.
If you receive a Duplicate SSN Notice, and:
More information regarding TaxAct's security policies is available on the TaxAct Security Page. You may also locate information regarding the protection of your identity through the IRS Identity Theft Central webpage.
Note that any link in the information above is updated each year automatically and will take you to the most recent version of the document at the time it is accessed.