Use Form 3949-A, Information Referral PDF to report alleged tax law violations by an individual, a business or both. You can report alleged tax law violations to the IRS by filling out Form 3949-A online. Fill out form online Use this form to report alleged tax law violations False exemptions or deductions Kickbacks A false or altered tax document Failure to pay or withhold taxes Unreported or unsubstantiated income Organized crime Failure to file a return Multiple filings or filing multiple returns Earned Income Credit violations Illegal wagering/gambling income Illegal drug income Public/political corruption Current revision Form 3949-A, Information Referral PDF Recent developments You can now report alleged tax law violations by individuals and/or businesses to the IRS through the Form 3949-A Information Referral online experience. Other items you may find useful All Form 3949-A revisions Form 14039, Identity Theft Affidavit PDF Form 14157, Complaint: Tax Return Preparer PDF Form 14157-A, Tax Return Preparer Fraud or Misconduct Affidavit PDF Form 14242, Reporting Abusive Tax Promotions and/or Promoters PDF Form 13909, Tax-Exempt Organization Complaint (Referral) PDF Other current products
