In modern living and working conditions the changes are frequent and frequent. Under such conditions, without knowing the financial system, it is almost unimaginable to successfully conduct business and overcome everyday private and business barriers in the domain of financial business. From this point of view, it is important to know the functioning of the financial system with all its components. First of all, it refers to payment transactions and the legislative framework that determines these payment systems that allow the circulation of money and the execution of non-cash payment transactions or the transfer of funds.