The question of the independence of trade law is often associated with the presence of the Commercial Code, along with civil, that formally should indicate the position of the legislator regarding necessity of the structural separation of the relevant legal standards. Based on the analysis of foreign law, the author considers the peculiarities of the codification of commercial law in the period since 17th century to the present, analyzes the causes and characteristics of its implementation in the various national legal systems, and assess the status and prospects of the codification of commercial law at the national and supranational level.