ZUGFeRD (In German: Zentraler User Guide des Forums elektronische Rechnung Deutschland) is a format for electronic invoices in addition to XRechnung. The format was developed by the “Forum for Electronic Invoicing Germany/Forum elektronische Rechnung Deutschland” and, just like the French open e-invoice format Factur-X, the format works in such a way that machine-readable UN/CEFACT XML…