You can use electronic invoicing in Microsoft Dynamics AX for sending electronic invoices to public enterprises in
Official Information Online Universal Business Language (OIOUBL) format – in Norway, Electronic HandelsFormat (EHF).
The current supported version is EHF 2.0.04.
http://www.anskaffelser.no/e-procurement
Useful document for the feature:
You can test whether your invoices, credit notes and reminders are in accordance with the requirements of electronic trading format (EHF) at:
http://vefa.difi.no/formatvalidering/invoice-validation-en.html .
Setting up EHF for Norway:
http://technet.microsoft.com/EN-US/library/dn304982.aspx
The latest published Knowledge page article for this feature in DAX 2012 R3 – is KB3060505 (published 24/04/2015 – app.build 6.3.1000.2433).