E-invoicing & validators

Check ZUGFeRD / Factur-X

Check ZUGFeRD 2.5.2 / Factur-X 1.09.2 and historical hybrid invoices.

For new outbound documents Dynafis uses ZUGFeRD 2.5.2 / Factur-X 1.09.2 from 1 September 2026. Historical inbound invoices remain readable against their original version instead of being silently reinterpreted as the new release.

What 2.5.2 changes

The 2.5.2 corrigendum mainly resolves inconsistencies in new EXTENDED functionality. Profiles ship updated XSD and Schematron artefacts; ZUGFeRD 2.5.2 is based on CII D22B and remains backward-compatible with D16B.

EN 16931:2026

ZUGFeRD/Factur-X already incorporates functions from the new EN 16931-1:2026. The standard was published in May 2026 and further functions are expected through future format releases.

Validate the hybrid file

PDF/A-3, embedded XML, profile, visible values and structured values must agree. Merely embedding XML does not create a valid hybrid invoice.