How do I report someone who is not filing tax returns?
You can report someone who is not filing tax returns either by mail or by calling a hotline. Reporting tax law violations, including tax fraud and tax evasion, can and should be done anonymously. Examples of tax fraud include under-reporting income, keeping two sets of books, claiming personal expenses as business expenses, claiming other false deductions, or hiding or transferring assets or income. For more legal help regarding how to report someone committing tax fraud, use our free tool below.
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Insurance Lawyer
Jeffrey Johnson is a legal writer with a focus on personal injury. He has worked on personal injury and sovereign immunity litigation in addition to experience in family, estate, and criminal law. He earned a J.D. from the University of Baltimore and has worked in legal offices and non-profits in Maryland, Texas, and North Carolina. He has also earned an MFA in screenwriting from Chapman Univer...
Jeffrey Johnson


Insurance Lawyer
Jeffrey Johnson is a legal writer with a focus on personal injury. He has worked on personal injury and sovereign immunity litigation in addition to experience in family, estate, and criminal law. He earned a J.D. from the University of Baltimore and has worked in legal offices and non-profits in Maryland, Texas, and North Carolina. He has also earned an MFA in screenwriting from Chapman Univer...
Jeffrey Johnson
Updated July 2023
What should you do if you become aware of tax evasion or fraud? There are a few options to approach the issues of how to report someone who is not filing tax returns in keep with federal tax law.
If you need legal advice to navigate a situation where tax returns are not being filed, we can help. Enter your ZIP code now.
What should you do if you find out someone is violating tax laws?
How do you report a violation of tax law? There are a few ways to contact the IRS.
If you believe that someone is violating federal tax laws or avoiding federal income taxes, the best way to report to the IRS is by filling out a 3949-A form. Fill out and print the form and mail it to:
Internal Revenue Service Center
Stop 31313
Fresno, CA 93888
Another way to report IRS fraud is to call the IRS at 1-800-829-1040 for the Criminal Investigation Hotline in your area. Failure to file tax returns is a form of tax evasion. Tax evasion amounts to using illegal means to avoid paying owed taxes and is a federal crime.
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How do you report tax fraud?
You may also want to report an individual or business for tax fraud. A tax fraud situation can consist of a variety of different activities designed to reduce or eliminate taxes owed by an individual or business. Examples of tax fraud include under-reporting income, keeping two sets of books, claiming personal expenses as business expenses, claiming other false deductions, or hiding or transferring assets or income. You may also use the form 3949-A to report IRS tax fraud, just print and fill out the tax fraud forms and mail it to the Internal Revenue Service Center, Fresno, CA 93888.
The form 3939-A requests a significant amount of information pertaining to the individual(s) you are reporting. Among other things, you will need to provide the name and address of the individual taxpayers. You should also be prepared to submit any documents that you have that will substantiate your claims, or you must indicate that you don’t have access to any documentation. Significantly, while you may provide your name and address, it is not required that you identify yourself. Therefore, form 3939-A may be used anonymously as an evasion or fraud report.
If you are unsure whether you need to file taxes or you have another question and would like to make sure that you could not be held criminally responsible for tax evasion or tax fraud, you should consult a tax attorney or a tax specialist.
It is always recommended that you consult with a tax professional to protect yourself and avoid undesirable criminal or civil penalties in the future.
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Case Studies: Reporting Tax Evasion and Fraud
Case Study 1: Underreporting of Income
In this case study, we investigate the actions of John, a self-employed individual, who knowingly provides inaccurate information about his earnings on his tax returns. By deliberately failing to disclose his actual income, John aims to avoid paying taxes and reduce his tax obligations.
Case Study 2: Fabricated Business Expenses
Sarah, a small business owner, fabricates false claims for personal expenses and presents them as legitimate business expenses on her tax returns. She artificially inflates the deductions for her business, intending to decrease her taxable income. This leads to fraudulent reporting and tax evasion.
Case Study 3: Concealment of Assets
In this case study, we examine Mark, a wealthy individual, who engages in tax fraud by either concealing or transferring his assets to offshore accounts. Mark intentionally hides his true wealth and income from tax authorities, evading his tax obligations.
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