This book serves as a toolkit on risk-based audits and brings together country experiences for implementing risk-based audit systems. Risk management is an important element of effective and efficient compliance management in revenue administration. It is impossible for any revenue administration to control and check every single taxpayer, and an unnecessary waste of scarce enforcement resources on routinely examining low-risk, compliant taxpayers. The opportunity costs for such roving examinations are high. Just as a private business allocates its resources to areas they feel have the most...