But they are mandatory!
This information is defined as mandatory in the documentation. It must appear in the invoice! Or not? This question has
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Implementation
eInvoice and EN16931: 1 Standard, 2 Syntaxes, many CIUS
Better interoperability and no purely national extensions. Thus the eInvoice is to lead its triumph from the public administration in
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eInvoicing Standard Launch Event: Implementation status
The standard for electronic invoices to contracting authorities is now almost four months old. Five Member States draw a first
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Challenges implementing EN16931
Now the EN16931 is completely published: The semantic data model is fixed, the syntaxes for the implementation are defined. The
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