This system is for reporting Financial Crimes only. If you wish to file an online report for other crimes, visit the Community Reporting System (CRS).If you still do not want to file your report online, you may call the Fairfax County Police Department's non-emergency number, 703-691-6911. This form is used to provide information to the City of Fairfax Commissioner of Revenue about business license tax fraud. Online Submission of Fraud, Waste, and Abuse Complaint. Submit this form or call the Office of Auditor General (OAG) hotline at 571-423-1333. Project Discovery - Report Tax Evaders and Fraud. The Commissioner of the Revenue has established a hotline and online process for citizen inquiries. You may complete a complaint form online or download one of our complaint forms. For further assistance call our Consumer Protection Hotline at 1-800-552-9963.