This textbook provides a comprehensive analysis of the fundamental principles of business law. It details the organizational and legal forms of business entities, alongside the procedures governing their establishment, operation, reorganization, and termination. The text systematically explores the legal foundations of property rights, the mechanics of business contracts, and the regulatory frameworks surrounding financing, lending, and taxation. Furthermore, it examines state support mechanisms, the legal protection systems available to entrepreneurs, and the underlying principles of liability. Designed as an essential academic and practical resource, this textbook is intended for researchers and university students (Bachelor's and Master's levels), as well as entrepreneurs, legal practitioners, judicial and law enforcement officials, and economists.