Chile was one of the first movers in electronic invoicing and they have one of the more complex environments. The Chilean electronic invoicing model combines elements of the batch-oriented folio scheme used in the legacy Mexican CFD model along with the real-time communication as found in Brazil and Argentina.
Currently, there are 12 types of electronic fiscal documents, referred to collectively as “Documentos Tributarios Electrónicos” or DTE. Combined, e-invoicing in Chile has its merits
Source: http://www.invoicewareint.com/the-basics-in-chile-for-dte-einvoicing/


