The Statistical classification of economic activities in the European Community, abbreviated as NACE, is the nomenclature of economic activities in the European Union (EU); the term NACE is derived from the French Nomenclature statistique des activités économiques dans la Communauté européenne. Various NACE versions have been developed since 1970.

The National Accounts Institute’s job is to produce the principal macroeconomic statistics and forecasts. For that purpose, the NAI collaborates with three associated institutions, the National Statistical Institute, the Federal Planning Bureau and the National Bank of Belgium.

Accounts describing the national economy, namely transactions relating to products (domestic production, imports, consumption, investment and exports), distributive transactions (income and transfers) and the financial transactions of the main sectors (companies, households and general government) and the economy as a whole.

The notes provide specified figures as to various headings in the balance sheet and elucidates them more thoroughly.