How does e-invoicing work?

[lars_wuerfel]

See here:

Sponsoring UBL Invoice-2

[Persons Pointing at the Numbers on the Invoice] Proposal In Europe many countries start to require to send e-invoice. Many countries have chosen UBL format as standard (or one of the standard). For example many Peppol service providers are based on UBL. We propose to write a module edocument_ubl to generate UBL Invoice-2 file for the customer invoices (like edocument_uncefact does for UN/CEFACT). And a second module document_incoming_ubl to create supplier invoice based on UBL Invoice-2 f…