Goal The aim is to provide eFACT of Catalan public administration systems receive electronic invoices from their suppliers, obtaining the benefits linked to billing procedures (cost savings, streamlining and standardization of processes) and contributing to the momentum and widespread use of electronic invoicing in Catalonia. At the policy level Law 29/2010, of August 3, the use of electronic media in the public sector in Catalonia and Law 10/2011 of 29 December on the simplification and…