This affidavit is for victims of identity theft. To avoid delays do not use this form if you have already filed a Form 14039 for this incident.Complete and sign this form if (1) a tax return preparer filed a Form 1040 series tax return or altered your Form 1040 series tax return. Only victims of taxrelated identity theft should submit the Form 14039, and only if they haven't received certain letters from the IRS. Completing and signing Form I-864 makes you the sponsor. Affidavit of Motor Vehicle Gift Transfer. Request the original return using CC ESTAB, Form 2275, or use the MeF return. The IRS wants you to submit Form 14039 when you believe someone has unauthorized access to your personal information. I swear, or affirm, that any error or omission in the report as originally filed was made in good faith. If so, you can file an amended tax return.