Colorado Department of Revenue
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Internal Audit



About Internal Audit:

Internal auditors assist Department managers by reviewing all types of operations within the Department of Revenue and making recommendations for improvement. Typical auditor recommendations concern how to manage resources more efficiently, perform statutory responsibilities more effectively, provide better customer service, etc.


What We Do:

Internal Audit provides a range of services to Department managers:

  • Assurance (financial, performance and compliance audits)
  • Advisory Services (consulting, special projects, training)
  • Fraud Prevention and Detection
  • Systems Development Review
  • Coordination with External Auditors


Internal Audit services help the Department achieve its objectives by bringing a systematic, disciplined, and objective approach to evaluate and improve the Department's controls, governance, and risk management processes.


Contact Internal Audit:
To report suspected fraud, waste, or improper activities by Department of Revenue employees or to suggest improvements to Department operations:


Telephone Phone:








Chief Internal Auditor
Department of Revenue
P.O. Box 17087

Denver, CO 80217-0087 


Other Department of Revenue Links:
To report complaints, concerns, or service problems contact the Citizens' Advocate office.