The World Anti-Doping (WADC) is the basis for prosecuting and sanctioning anti-doping rule violations in sport. The WADC was first introduced by WADA in 2004. It applies worldwide. The requirements of the WADC are implemented in Germany in the National Anti-Doping Code (NADC). Over the years, the World Anti-Doping Code, and therefore also the National Anti-Doping Code, has been revised several times. On January 1st, 2021, the new, revised WADC 2021 and the corresponding NADC21 came into force. On the following pages we will inform you about the regulations, the implementation and other legal issues such as the anti-doping law, data protection and sanctions..