EN
Stabilizing exchange rates against euro before accession to EMU and implementation euro as an official currency is one of the Maastricht criteria. That is why the role of foreign exchange interventions will be so important. This paper offers the brief guidance on the operational aspect of foreign exchange interventions, describes and classifies the types of interventions. The paper examines effectiveness of a interventions and analyzes tactics of interventions by the countries whose currencies were or are currently in the ERM II. The conclusion answers the question how should countries deal with implementing the euro to not disturb financial markets and raise the development of economy.