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 发布稿 4557，《保护纳税人数据》（英文） 发布稿 5293，《数据安全资源指南》（英文） 发布稿 5199，《报税人身份盗窃指南》（英文） NIST 的《小企业信息安全--基本原则》（英文） 身份盗窃中心
