Simplified Invoice: the program does not contemplate the option of SIMPLIFIED INVOICES, which in the invoice itself are so named, and therefore do not require all the usual complete fields. I believe that it should also be considered the insertion within the "INVOICING SETTINGS" of a new series called "SIMPLIFIED INVOICE", and at the moment of invoicing, any of them can be selected:
It would be ideal to be able to invoice NON SHOW Clients, foreign clients,... up to 400 euros so it is marked by the VAT Regulation.