The article discusses how currency control is regulated in Russia to ensure economic security and prevent capital flight. It points out the lack of a clear definition of foreign exchange control in Russian law and examines different views on the concept. The authors explain their own understanding of currency control and detail the recent changes in currency legislation affecting authorized banks. They found that the requirements for banks in currency control have become more complex, leading to the need for detailed record-keeping. The resources used for currency control were found to contain overlapping information.