The study course provides an insight into the basic legal principles that govern business transactions in a market economy and how these principles are applied in Latvian conditions. The study course covers the following topics: agreements, the law on business organizations, including agencies, general partnerships, and joint-stock companies; debtor-creditor relationships, such as credit obligations, secured transactions, and bankruptcy; commercial documents, including negotiable securities and title deeds. At the end of the study course, environmental legislation and the basic principles of business-related criminal law are examined.