As a former IRS agent I can tell you the public has no idea what the Internal Revenue Service will investigate when working a back tax case.


IRS has a format in a methodology they work depending on the dollar amount owed by the taxpayer, business corporation or entity.

Depending on the dollar amount the severity of the case in the history of the case IRS has a plethora of investigative tools they use to collect back taxes on any open collection case in their inventory.


As a former IRS agent I have used many of these tools. Make sure if you will back taxes and you’re given the opportunity to file a financial statement that you are true and accurate. If you have any issues call us today and we can represent you and provide the best possible tax defense on any IRS or state tax issue.

We can get IRS off your back and you will never speak to them.

The larger the dollar the more due diligence they will conduct.

Many times when IRS is working an offer in compromise you will find this type of list.

On smaller cases, you don’t have so many worries but if you’re  owing over $50,000, IRS can choose to review the following.


The Accuriant Search engine used by Law Enforcement. 

What We Do

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These innovative products are made possible by integrating powerful technology, tens of billions of data records on individuals and businesses, and proprietary data-linking methods.


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This search engine used by law enforcement is packed with information to rundown assets and to find out valuable information on all taxpayers, individuals, businesses, and corporations. It is the chief tool used by law enforcement.


Some of the checks IRS makes when looking on a 433 a.


IRS always check:

1. motor vehicle records, courthouse records for real and personal property,

3. they will conduct the financial crimes enforcement network FINCEN if the taxpayer has a foreign bank account,

4. IRS can check passport records,

5. full credit report,

6. Secretary of State Universal Commercial Code,

7. Courthouse records for lawsuits,

8. Divorce decrees,

9. life insurance policies,

10. homeowners and renters policies,

11.  cash surrender value in insurance policies,

12.  Ira and KEOGH values,

13. airplane and boat checks,

14. find if you are a beneficiary of a will or trust,

15. if you have any stock in an ongoing business,

16. pay close attention to fluctuation income especially income decreasing,

17. find out if you have any gambling earnings,

18. find out if you are hiding money through a business,

19. if you’re a business owner, the IRS will  carefully check your receivables and all assets as well as credit card purchases,

20. many times a local revenue officer will drive past your house and write down the  license plates in your yard or your place of business.


While this is not a comprehensive look these are some of the assets that IRS can check when investigating a business, individual or any taxpayer. If you need help call us today, former IRS agents, managers and teaching instructors.

If you will back taxes to the Internal Revenue Service call us today. We can settle your case and provide the best possible tax defense.

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Mr. Michael D. Sullivan

Michael D. Sullivan is the founder of MD Sullivan Tax Group. He had a distinguished career with the Internal Revenue Service for 10 years. As a veteran IRS Revenue Officer / Agent, he served as an Offer in Compromise Tax Specialist and Large Dollar Case Specialist.

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