In this demo the free eInvoice Viewer works together with exactly one add-on, Extended Profiles. The add-on needs no button: as soon as you open a ZUGFeRD or Factur-X invoice in the EXTENDED profile, the viewer also shows the fields that go beyond EN 16931.

These include further parties such as a different ship-from location, invoicer or invoicee, cash discount and penalty terms, and references to further documents. All other add-ons are switched off on this page.