Identify a ZUGFeRD invoice
A hybrid ZUGFeRD invoice contains a readable PDF view and embedded structured XML.
As of
What you should know
InvoiceGlass reads the embedded XML. If the PDF has no invoice attachment, select the original with structured data. The XML report covers the invoice data and reports separate checks for the PDF container.
Sources
This information is for general guidance. For legal or tax advice, consult a qualified adviser.