The article presents a sequel of investigation on the issue of legal regulation of bankers activities. Involving domestic and foreign sources the 2d Part of the article deals with the legal regulation of banker services in the Ancient Rome. The main attention of the research is paid to the content and legal formulation of those kinds of deals which can be attributed in Rome to the banking operations (depositum, loan, deals of guarantee, auction, records in commerce books). Legal defense means of bankers and their customers are also mentioned. The conclusion is made: bankers applied civil-law institutions of obligation law taking into account the banking specific. Autonomization of the bankers activities is not a proof of a separation of a law branche. Methodology used in the research is presented by the historical and formal legal methods in combination with some elements of comparative approach.