Recoge: 1. The institutional framework - 2. The role of national judicial authorities - 3. The role of national competition authorities - 4. The organization of EC commission proceedings - 5. Opening of the file - 6. Investigation of cases: Leniency policy, formal investigative measures in general, inspections, penalties, confidentiality - 7. Infringement procedures - 8. Infringement decisions and penalties - 9. Rejection of complaints - 10.Commitments, voluntary adjustments, conclusion of the procedure without a formal decision - 11. Special procedures - 12. Steps following the adoption of a formal decision.