If you think you’ve been scammed, had your information stolen or suspect someone isn’t complying with tax law, report it. Your information can help others from falling victim. On this page How you report depends on the type of scam: IRS impersonator: Email, phone, text, social media, mail, fax Social Security number (SSN) or individual tax identification number (ITIN) stolen Employer identification number (EIN) or business identity theft Tax scam Tax return preparer Tax fraud Report an IRS impersonator We don’t initiate contact by email, text or social media to request personal or financial information. Verify it’s the IRS first. If it’s still suspicious, report it: Email Letter or notice Social media message Text message Phone call Fax Report a stolen SSN or ITIN If your Social Security number (SSN) or individual tax identification number (ITIN) was stolen, immediately report it to IdentityTheft.gov. Next, report it to us. How you report depends on what your SSN or ITIN was used for: If your SSN or ITIN was used to file taxes If you got an IRS notice that we rejected your return because someone already used your SSN or ITIN to file, immediately call the number on the notice. Complete Form 14039, Identity Theft Affidavit. Submit Form 14039 online or mail Form 14039 PDF. If your problem still isn’t resolved, call us at 800-908-4490. If your SSN or ITIN was used for employment Find what to do about employment-related identity theft if you got a: Form W-2 or Form 1099 showing an employer or income you don’t recognize Notice from the IRS or Social Security Administration about wages you didn’t earn If your SSN or ITIN was used for unemployment benefits If you got a Form 1099-G with unemployment benefits you weren’t expecting, report it to your state agency contact. Ask them for a corrected Form 1099-G. Unemployment benefits identity theft Unemployment insurance fraud: To report employers and people who commit state unemployment insurance fraud, contact your state fraud hotline. Find more help in Identity Theft Central. Report EIN or business identity theft If you were assigned an employer identification number (EIN) you didn’t request: Check if someone requested the EIN legitimately on your behalf. If you determine your identity was misused to get an EIN, file Form 14039-B, Business Identity Theft Affidavit PDF, or contact us at 800-908-4490. If your EIN was stolen, get help with business identity theft. Report a tax scam You can report most scams with Form 14242, Report Suspected Abusive Tax Promotions or Preparers. Submit Form 14242 online or mail or fax Form 14242 PDF. Find details in abusive tax schemes and return preparers lead development center. Some tax scams need to be reported differently: Retirement or employee benefit plan scam You can anonymously report tax shelter scams involving retirement or employee benefit plans: Email: eoclass@irs.gov Mail: Internal Revenue Service EP Tax Shelter Coordinator 31 Hopkins Plaza, Room 1542 Baltimore, MD 21201 Employee benefit plans abusive tax transactions Tax-exempt organization scam To report a misconduct, wrongdoing or a tax avoidance scam involving an exempt organization, complete and mail Form 13909, Tax-Exempt Organization Complaint (Referral) Form PDF to: Internal Revenue Service EO Referrals MC 4910DAL 1100 Commerce Street Dallas, TX 75242 Exempt organization abusive tax avoidance transaction Tax shelter scam that involves many taxpayers To report tax shelter or transaction scams that involve many taxpayers and pose a significant compliance risk to the IRS, contact us: Email: IRS tax shelter hotline Mail: Internal Revenue Service 1973 North Rulon White Blvd. LB&I:OTSA - M/S 4916 Ogden, UT 84201 Fax: 844-201-5535 Find details on reporting abusive tax shelters and transactions. Report a tax return preparer To report a tax preparer who filed a fraudulent return, use Form 14157, Return Preparer Complaint. Submit Form 14157 online or mail Form 14157 PDF. Make a complaint about a tax return preparer If a tax preparer filed or altered your return without your consent AND you want a change made to your tax account, report it with: Form 14157, Return Preparer Complaint - Submit Form 14157 online or mail Form 14157 PDF Form 14157-A, Tax Return Preparer Fraud or Misconduct Affidavit – Submit Form 14157-A online or mail Form 14157-A PDF. File a police report and other required attachments with it. We’ll investigate your complaint and may adjust your account or issue an additional refund with interest. Report individual or business tax fraud If you suspect or know an individual or business isn't complying with the tax laws or hasn’t paid the tax they owe, report online or by mail with Form 3949-A, Information Referral. If you have specific, timely and credible information about tax underpayments or violations of internal revenue law that leads to proceeds collected, file a whistleblower claim for award. Related Recognize tax scams and fraud If you were scammed How to know it’s really the IRS