FACeFACe is the abbreviation for the Spanish government invoice platform "Punto General de Entrada de Facturas Electrónicas". The FACe platform enables the transmission of e-invoices to the Spanish administrative authorities.
Factur-XFactur-X is a hybrid invoice format that combines XML data, for automated processing, with a human-readable PDF. The Franco-German Factur-X standard is compliant with the European standard EN 16931 and is technically identical to ZUGFeRD 2.1.