In this paper we deal with new technological solutions and knowledge bases in the area of public finances. We observe a different concept of the use of knowledge on public finances with special emphasis on the use of the new technological solutions based on knowledge bases. We suggest how the new information system efficiently comes to the necessary knowledge related to public revenues and expenditures with the use of new software tools and knowledge bases. We want to ensure that with the use of Protégé-OWL editor and new software solutions is enabled to all those who deal with public finances to quickly and easily access the necessary knowledge. For this to be achieved is required a different approach of recording the necessary knowledge about public finances in the knowledge bases based on the concept of ontologies and with the use of the new technological solutions that can be achieved.