Implementation Archive - Invoice

Easy access to various e-invoice formats, free validation and more

But they are mandatory!

This information is defined as mandatory in the documentation. It must appear in the invoice! Or not? This question has

Better interoperability and no purely national extensions. Thus the eInvoice is to lead its triumph from the public administration in

The standard for electronic invoices to contracting authorities is now almost four months old. Five Member States draw a first

Now the EN16931 is completely published: The semantic data model is fixed, the syntaxes for the implementation are defined. The