It is too late to e-file now anyway; e-filing is closed for 2021 returns. But when your e-file is rejected for a duplicate Social Security number, the only way you can file is by mail. You have to print, sign and mail the return. Then the IRS will sort out the returns and determine who was the legitimate taxpayer.
https://ttlc.intuit.com/questions/1900655-what-to-do-if-you-suspect-tax-related-identity-theft
Most important) Follow the IRS procedures for reporting a fraudulent return, documented here: www.irs.gov/uac/Taxpayer-Guide-to-Identity-Theft
IRS INFORMATION REFERRAL TO REPORT VIOLATION OF TAX LAW
https://www.irs.gov/pub/irs-pdf/f3949a.pdf
If your Social Security number is compromised and you know or suspect you are a victim of tax-related identity theft, take these additional steps:
- Respond immediately to any IRS notice; call the number provided.
- Complete IRS Form 14039, Identity Theft Affidavit. Then print and mail or fax according to the instructions.
- Continue to pay your taxes and file your tax return, even if you must do so by paper.
6-digit IP NUMBER FROM IRS
https://content.govdelivery.com/accounts/USIRS/bulletins/2af48f0?reqfrom=share
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
