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How Does the IRS Identify Fraudulent Small Business Deductions?

Offshore Account Update

Posted on October 16, 2026 |

The IRS identifies fraudulent small business deductions in several ways. Also, when small business owners cannot substantiate the deductions they claim, the IRS generally assumes noncompliance. If you face IRS scrutiny over your small business deductions, consult an experienced Virginia small business tax attorney promptly.

Many small business owners rely heavily on federal tax deductions. Without these deductions, they would owe substantially more to the federal government, and many would struggle to stay viable.

But many small business owners also fraudulently claim these deductions. From vehicle maintenance and mileage deductions to the home office deduction, fraudulent deductions significantly reduce federal revenue. As a result, the IRS prioritizes enforcement in this area, and it identifies fraudulent deductions through a variety of means. Learn more from Virginia small business tax attorney Kevin E. Thorn, Managing Partner of Thorn Law Group:

How Does the IRS Target Small Business Tax Deduction Fraud?

Like many other federal agencies, the IRS is increasingly relying on artificial intelligence (AI). The IRS uses AI to identify inconsistencies, suspicious patterns, and other red flags for noncompliance. It also routinely audits small business returns and relies on information from third parties (i.e., contractors, lessors, and lenders) to assess the validity of claimed deductions.

What Should I Do if I Have Concerns About Facing IRS Scrutiny Related to My Small Business Tax Deductions?

If you have concerns about IRS scrutiny related to your small business tax deductions, address them proactively. Waiting until the IRS opens an audit increases the risks—especially when you know about noncompliance. In this scenario, taking a proactive approach involves:

  • Making sure you have a comprehensive understanding of the improper deductions you need to address;
  • Deciding how best to come into compliance (i.e., through an amended return or a voluntary disclosure); and
  • Taking prompt action so you can come into compliance before the IRS opens an audit or criminal tax fraud investigation.

If you cannot afford to pay the full amount you owe, you still have options—and this should not stop you from taking proactive steps to correct past filing mistakes. Depending on your circumstances, you may be able to submit an offer in compromise, request an installment agreement, or avoid immediate full payment through other means.

Concerned About Facing an IRS Small Business Audit? We Can Help

At Thorn Law Group, we help small business owners protect their interests in all IRS matters. Whether you need to come into compliance or defend against an IRS audit or investigation, we can advise and represent you every step of the way. Because time is of the essence in each of these scenarios, contact us promptly if you'd like to learn more.

Schedule a Confidential Consultation with Virginia Small Business Tax Attorney Kevin E. Thorn

To discuss your situation with Virginia small business tax attorney Kevin E. Thorn, Managing Partner of Thorn Law Group, contact us today. Call us at 703-752-3752 or tell us how we can reach you online to schedule a confidential consultation as soon as possible.


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