The following fields are interpreted from the invoice:
Invoice due date
OCR number (reference number)
Account number (bank giro or post giro), IBAN number
Invoice total amount
Total VAT amount
Number of pages
Invoice type (invoice or credit note)
Note that these interpreted fields apply when the receiver is from Norway, Sweden, Denmark or the Netherlands and are using Azets Document Solutions as the scan service provider.
The Finnish fields can be found here.