Contractual liability is an important topic of the ongoing reform of the effective Serbian Law on Obligations (2007-2009). which aims to harmonize the national legislation in this field with the laws of the European Union. In this paper the author analyzes the evolution of the traditional European civil codes (the German BGB. French Code civil. https://www.bekindtopets.com/hot-find-Synovex-One-Grass-Extended-Release-Implant-10-Dose-special-find/