IT and technology
EN 16931
Abbreviation for European Standard 16931
In short and in plain language
EN 16931 is a European standard for invoices sent as data files.
It sets which details such an invoice has. It also sets how these details are ordered.
Many formats for such invoices build on it.
Definition
EN 16931 is the European standard for electronic invoices. It defines which details an e-invoice contains and how these details are structured. Formats such as XRechnung and ZUGFeRD are based on it.