The main sources of information for the Foreign Trade Statistics operation (ECOMEX) is the Sole Administrative Document (D.U.A.) and the statistical data collection system for the exchange of goods between member states of the European Union (INTRASTAT). The operation shows the trade flow of companies that carry out foreign trade transactions whose origin or destination is the Basque Country, and situates the position of the Community in the European context, Information is also offered for each province by trade flow and month.