Catena-X PCF Rulebook V4 – Q&A Session Recap
Collaboration and transparency remain at the heart of Catena-X.
In an open Q&A session, the PCF team and community experts discussed the latest Rulebook Version 4 updates and invited feedback for continuous improvement.
The Catena-X PCF team recently hosted a public Q&A session to present and discuss the new Product Carbon Footprint (PCF) Rulebook Version 4. Leading experts from the Catena-X community introduced the main updates and answered participant questions.
Key topics covered:
- Introduction and Key Changes – Overview of the most important updates and transition period for Rulebook V4 (Andreas Kircher – Aumovio SE)
- Data Model (incl. Biogenic Uptake) – Major update of the PCF data model, including biogenic carbon uptake and improved interoperability (Florian Ansgar Jaeger – Siemens AG)
- Prospective PCF – New rules for calculating PCFs for future products and product changes (Stephan Neuschaefer-Rube – Schaeffler Technologies AG & Co. KG)
- Electricity Accounting – Inclusion of infrastructure emissions and updated calculation guidance for electricity (Ansgar Christ – Bosch GmbH)
- Chain of Custody – Updated requirements for mass balancing and chain of custody approaches (Lisa Schulz – thyssenkrupp Steel Europe AG)
Call for action:
We invite all participants and interested parties to provide feedback on Rulebook V4 using the feedback form until 20thof December 2025. Your input is essential for further development and alignment.
- PCF Rulebook V4 with Line Numbers
- Feedback form for Rulebook V4
Resources from the session:
- Answers to all Q&A session questions will be published here soon.