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Report Tax Fraud

Thank you for your patience, our online registration portal (SDCars) and the DMV Kiosks are now online and able to process your registration requests. 

Help the South Dakota Department of Revenue

If you have information about tax noncompliance or you have other information you believe may be of interest to the Department of Revenue - please help keep South Dakota tax law consistent and fair. To do this, please use the form below to report a business that you may suspect is committing tax fraud. In some cases, we may need more information from you in order to proceed with an investigation.


Report Tax Fraud Form

In some cases, we may need more information from you in order to proceed with an investigation.