What to do if you're assigned an employer identification number (EIN) you did not request

If you've been assigned an Employer Identification Number (EIN) that you didn't request, you should first determine if someone acted legitimately on your behalf.

It's important for you to determine why the EIN was assigned to you before assuming you're a victim of identity theft. A third party may have requested an EIN on your behalf for a legitimate business purpose.

Verify if a third party requested an EIN on your behalf for a legitimate business purpose

Note: These lists are not all inclusive.

Third parties can include:

Legitimate business purposes include:

If you determine your identity has been misused and an EIN has been improperly assigned to you

Consider filing a Form 14039-B, Business Identity Theft Affidavit PDF or contact us for specialized assistance, toll-free, at 800-908-4490.