The European Union is in the process of creating integrated payment system in the euro zone within the SEPA project. This paper discussed the importance of the implementation of certain elements of this system to creating a more favorable business environment of SMEs in Serbia. The first part is dedicated to the analysis of objectives, characteristics, advantages and perspectives of the SEPA concept. Second part deals with analysis of the institutional foundations of the existing payment systems in Serbia. In this particular part there is a review of achieved level of compatibility of infrastructure and instruments with the European system, and the importance of the actual project implementation in the SEPA direct debit basis focused in the...