The act on juvenile delinquency proceedings has been functioning in the Polish legal system for over 36 years. During this period, it was amended 24 times. The need for a new regulation of the act was noticed already several years ago, taking into account the serious changes that took place in social life, primarily in the area of life of children and youth. Legislative work is currently underway to amend the act. In this article, the procedural guarantees contained in the draft law on juvenile delinquency proceedings are analysed in detail and the legal position of the juvenile injured party is explained.