This weekend at "Šumarice" in Kragujevac "Days of athletics" were held, organized by the Athletics Federation of Serbia. Representatives of athletic clubs, associations and other athletics organizations attended this seminary. New Code and the new Law on the Prevention of doping were subjects of the lecture, which was held on Sunday, as part of a continuing education regularly conducted at "Days of athletics." Trainers were interested in new anti-doping rule violation as well as changes in the law regarding obligations for testing. This lecture represents a continuation of successful cooperation between ADAS and the ASS.