If you think someone is using your business name or Employer Identification Number (EIN) to submit fraudulent tax returns or Forms W-2, complete and send to us Form 14039-B, Business Identity Theft Affidavit PDF. This form is for use by businesses, trusts, estates and tax-exempt organizations. To prevent processing delays, make sure to send us all the requested documents and sign the Form 14039-B. For a Spanish-language version, see Form 14039-B (SP) PDF. Do I Need to Use Form 14039-B? Send us Form 14039-B if you get a: Rejection notice for an electronically filed return because we already have a return on file for that same period Notice about a tax return that you didn't file Notice about Forms W-2 filed with the Social Security Administration that you didn't file Notice of a balance due that you do not owe You get a notice for a business, but you never applied for an EIN Do not send us Form 14039-B if: Your business, estate, trust or exempt organization had a data breach with no tax-related impact to your business. For example, a business has a breach of their computer system, but they find no evidence that fraudulent tax returns or Forms W-2 are being filed See Identity Theft Information for Businesses for details on Form W-2 scams and data theft. Resources Ấn phẩm 4557, Bảo vệ dữ liệu của Người đóng thuế (tiếng Anh) Ấn phẩm 5293, Hướng dẫn Tài nguyên Bảo mật dữ liệu (tiếng Anh) Ấn phẩm 5199, Hướng dẫn về Trộm cắp danh tính cho Người khai thuế (tiếng Anh) Bảo mật thông tin cho Doanh nghiệp nhỏ của NIST - Các nguyên tắc cơ bản (tiếng Anh) Trung tâm về trộm cắp danh tính
