If IRS assigns you an EIN but you didn’t request it, check to see if someone requested it on your behalf for a legitimate business purpose. This could include: Spouse or other family member Community club or association Accountant Business partner or associate Bank or executor of a trust Examples of legitimate business purposes to get an EIN are to: Pay for home health care or other services in your household Join a partnership or create a company Prepare a community association’s tax returns Create a trust or other fiscal entity through a bank or executor Report identity theft If you rule out a legitimate cause: File Form 14039-B, Business Identity Theft Affidavit PDF, or contact us at 800-908-4490. Report identity theft for your business