I. GENERAL ASPECTS: 1. Current Context of Tax Compliance Risk. 2. Risk Management Model. II. ASPECTS TO CONSIDER TO ACHIEVE EFFECTIVE RISK MANAGEMENT. 1 Taxpayer Risk Rating. 2. Taxpayer Segments. 3. Obligations and Gaps. 4. Information. 5. Systems. 6. Organizational Structure. 7. Strategic Leadership. III. THE RISK MANAGEMENT PROCESS. 1. Stage 1: Risk Identification. 2. Stage 2: Risk Analysis and Assessment. 3. Stage 3: Risk Prioritization. 4. Stage 4: Treatment. 5. Stage 5: Evaluation IV. SPECIFIC ASPECTS: 1. Managing Noncompliance Risks in the Massive Taxpayer Sector. 2 Management of Noncompliance Risks in the Selective Taxpayer Sector. 3. Managing Noncompliance Risks in Specific Economic Sectors. 4. Risk Management in the Digital Economy. V. COMPREHENSIVE RISK MANAGEMENT IN CUSTOMS ADMINISTRATIONS: 1. General Context of Risk Management in Customs. 2. Strategic Approach for Comprehensive Risk Management. VI. APPENDICES.