The textbook covers the theoretical foundations and practical aspects of the creation, regulation and functioning of national payment systems in Russia and foreign countries, analyzes the prerequisites for the emergence of payment systems and international experience in their functioning, formulates definitions of the most important concepts and categories, and addresses issues related to the use of various payment systems. instruments. The textbook was prepared in accordance with the federal state educational standard of higher professional education in the field of preparation “Jurisprudence”. Intended for students of law universities, including those studying in the master's program "Lawyer in the field of financial and budgetary activities, financial control and public procurement", it may be useful for specialists working in the field of providing payment services within the framework of the national payment system of Russia. Legislation is given according to as of August 1, 2016. The textbook was prepared with the information support of SPS "ConsultantPlus".