This volume substantially demonstrates the principles anchored in sections 90-103 regarding all relationships related to property law and the resulting interaction of movable and real estate property law, as well as execution proceedings law. In addition, the elementary rules of the legal transaction are comprehensively presented; the influences of legal capacity on trade, company and employment law, among others, are also taken into account within the framework of sections 104 et. sec. The provisions regarding declaration of intent (sections 116-124 and sections 130-133), which are of particular significance for daily practice, are presented in detail.