E-Invoices (XML and PDF/A Files)
XRechnung 2.0 – 3.0ZUGFeRD 2.0 – 2.3Factur-X 1.0UN/CEFACT CIIUBL 2.1
Perfect E-Rechnung
With Perfect E–Rechnung, soft Xpansion offers an installable solution for creating, converting and processing e-invoices in the XRechnung, ZUGFeRD & FACTUR-X formats.
PDF Xpansion SDK
Developers can use the PDF Xpansion SDK to add e-invoice functionality to their software. The SDK supports both UBL and UN/CEFACT syntax.