ZUGFeRD 2.5.2: effective date, changes, and support

ZUGFeRD 2.5.2 is technically identical to Factur-X 1.09.2 and is effective from 1 September 2026. E-Rechnungs-Studio supports the XRECHNUNG reference profile with XRechnung 3.0, a Core Invoice Usage Specification (CIUS) based on EN 16931. Your recipient's requirements still take priority.

Key facts at a glance

Effective from 1 September 2026.
The technically identical Factur-X version is 1.09.2.
E-Rechnungs-Studio supports the XRECHNUNG reference profile with XRechnung 3.0.
Recipient format, profile, and transmission requirements take priority.

What changed in ZUGFeRD 2.5.2?

FeRD describes ZUGFeRD 2.5.2 as a corrigendum—a corrective release. It mainly resolves inconsistencies in features introduced for the EXTENDED profile in version 2.5.

The XSD and Schematron validation files for all five profiles were updated to reflect current EN 16931 requirements.

What this support means

The PDF-to-ZUGFeRD converter generates ZUGFeRD 2.5.2 in the XRECHNUNG reference profile. The technically identical Factur-X version is 1.09.2. The embedded XML invoice data conforms to XRechnung 3.0.

The effective date does not make this version mandatory for every invoice. Legal rules and recipient format, profile, and transmission requirements remain decisive.

Official sources

FeRD: corrigendum and release package · FeRD: current ZUGFeRD standard · BMF FAQ on e-invoices (as of March 2026)

FAQ

Does the converter support ZUGFeRD 2.5.2?

Yes. The converter generates ZUGFeRD 2.5.2 in the XRECHNUNG reference profile. The technically identical Factur-X version is 1.09.2.

When does ZUGFeRD 2.5.2 take effect?

ZUGFeRD 2.5.2 takes effect on 1 September 2026.

Which ZUGFeRD profile does the converter use?

The converter uses the XRECHNUNG reference profile with XRechnung 3.0. XRechnung is a German CIUS based on the European standard EN 16931.

Is ZUGFeRD 2.5.2 mandatory from September?

No. The effective date does not make this version mandatory for every invoice. Applicable law and the invoice recipient's requirements remain decisive.

Is invoice data used to train AI models?

No. Your invoice data is not used to train our own models or models of the connected AI provider. Automated analysis uses only the content required for that step; the privacy policy names the AI API provider currently used.

Who operates the service and where are the legal details?

The operator is Casserus UG (haftungsbeschränkt). The privacy policy explains data processing in detail; the legal notice contains the provider information.

Next step

Open the PDF-to-ZUGFeRD converter