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For electronic invoices, the ZUGFeRD format has become established in many industries. The standard supports uniform and automatable processing for companies, customers, and tax advisors.

What is XRechnung used for?​

With EU Directive 2014/55/EU, public contracting authorities were required to be able to receive and process electronic invoices. The basis is standard EN 16931.

The German CIUS XRechnung is the national implementation of these requirements for use by public authorities.