Is there a detailed document on setting up AR E-invoicing for Germany and Switzerland

Summary:

The legal basis for electronic invoicing in Germany’s federal administration is the E-Invoicing Ordinance.−The Ordinance specifies requirements for the invoice data model, which must conform to the XRechnung data exchange standard or another standard which complies with European standard EN 16931.

Content (please ensure you mask any confidential information):

E-invoices must generally be issued using the XRechnung standard

Organizations of the direct federal administration receive e-invoices via the ZRE.

Organizations of the indirect federal administration may receive e-invoices via the OZG-RE.

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