The advantages of employing modern systems for selling transportation services in railway passenger traffic are manifold, benefiting both users and the carrier, in this case, the railway company. However, transitioning to modern systems in the organization of passenger transport within Republika Srpska Railways faces challenges, including the need to address existing restrictions which would require significant material and resource investments. Presently, ticket sales at RS Railways primarily rely on traditional methods such as K-6 surcharge blank-to-blank tickets and leaflet tickets. However, these methods present numerous drawbacks, including unclear basic data entry, incomplete information, and potential misuse. Moreover, processing issued surcharge blank-to-blank tickets involves challenges such as tariff control, revenue allocation in domestic joint traffic, and data submission on total revenue and dispatched passengers. To meet the increasingly diverse demands of transport users and improve operational efficiency, one viable option is the implementation of electronic ticketing devices onboard trains. Experiences from foreign railway administrations that have adopted mobile terminals indicate improvements in service quality, ticket inspector productivity, and revenue management, along with enhanced accuracy and reliability in income determination and reduced potential for manipulation. These advancements facilitate more effective planning and organization of passenger transport processes.