Introduction; 1. The early development of principles relating to anti-doping regimes: the role of the Court of Arbitration for Sport; 2. Overview of the Code and World Anti-Doping Program; 3. The International Standards in more detail; 4. The nature of the Code and its interpretation and application; 5. Articles 1 and 2 of the Code: anti-doping rule violations under the Code; 6. Article 3 of the Code: the proof of anti-doping rule violations under the Code; 7. Responsibility for testing and investigations, results management and hearings; 8. Articles 9 and 10 of the Code: sanctions for anti-doping rule violations; 9. Article 13: appeals under the Code; 10. Appeals to the Swiss Supreme Court from CAS, challenges to the Code in the courts and civil claims outside the Code; 11. The way ahead for the Code.