The classification of economic activities (NACE Rev. 2) is based on the classification “Nomenclatures des Activities de Communite Europeene” prepared by the Statistical Office of the European Union (EUROSTAT) - NACE rev. 2 (Statistical Classification of Economic Activities in the European Community - NACE Rev. 2). EVRK2 red. determines the areas of activity, codes, names of individual categories, ie sections, divisions, groups, classes, for all member states of the European Union.