ISEAL has revised its Chain of Custody (CoC) Models and Definitions Guidance to improve clarity and consistency for stakeholders across sectors, reflecting major shifts in supply chain management. The updated guidance is intended to address new regulatory demands (e.g., EUDR, CSRD), technological advancements like blockchain, and the inclusion of additional CoC models such as Controlled Blending and Controlled Mass Balance.

Please use this form to submit comments and suggestions on sections of the revised ISEAL Chain of Custody Models and Definitions Guidance. Completed forms should be emailed to Josh Taylor, Traceability Manager – Josh@isealalliance.org by 24 January 2025.

This report documents ideas for how certifiers can leverage blockchain technology to reduce audit inefficiency, create a single source of truth for chain of custody (CoC) tracking and support sustainability data reporting. 

We are excited to launch the revision of the ISEAL Chain of Custody (CoC) Definitions and Models Guidance. The revision process will include:

Best known as the technology behind cryptocurrencies like Bitcoin, blockchain is set to revolutionise many areas of life and work over the coming years.