Statistical business register overtakes the data on registered legal entities and physical persons from various administrative sources (Business Registers Agency, Tax Administration, etc.) and uses them for statistical units creating and updating. The statistical units (or units of observation) are the units used as the basis for statistical surveys’ conducting and are in compliance with international standards and regulations of the European statistical system. The base of the Statistical business register is updated with the data obtained from the statistical surveys. The aim of the Statistical business register is exclusively internal, i.e. it is used only for the purpose of statistical surveys conducting.