With a complex international supply chains for many seafood products, substitution and mislabeling of seafood is a globally-recognised issue. The Chain of Custody Standard is a traceability and segregation standard that is applicable to the full supply chain from a certified farm to final sale. Each company in the supply chain handling or selling an ASC certified product must have a valid Chain of Custody certificate. This assures consumers and seafood-buyers that ASC labelled seafood comes from a certified responsible farm.

We use the Marine Stewardship Council’s (MSC) Chain of Custody (CoC) Standard to verify the origin of seafood sold as ASC certified. This process benefits companies that handle both ASC and MSC certified seafood by allowing them to do a combined audit, although separate certificates are issued and each standard has distinct trademarks.

The traceability guidelines are established in the two variants of the CoC Standard; the first for group organisations and the second for consumer-facing organisations (CFOs). Further information on eligibility for each version can be found in the introduction to each document and in the MSC CoC Certification Requirements (section 6.2). The ASC Chain of Custody requirements have been incorporated within MSC’s Certification Requirements.

Please visit the Marine Stewardship Council website to view the Chain of Custody Standard and all other CoC certification documents.

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