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Tutorials

Hands-on walkthroughs for creating and managing Digital Product Passports. Follow along step-by-step from account setup to live, consumer-facing DPP pages.

How to Verify a Supplier Certificate

Every manufacturer relies on supplier certificates. A Global Recycled Standard (GRS) certificate proves your recycled content. An FSC certificate validates your wood sourcing. An Oeko-Tex certificate confirms your textiles are free of harmful substances. An ISO 14001 certificate demonstrates your supplier's environmental management credentials.

But here is the uncomfortable truth: not every certificate your supplier sends you is genuine. Certificates can be expired, forged, altered, or simply issued to a different legal entity than the one selling you materials. If your compliance audit file contains a fraudulent certificate, the liability falls on you — not on the supplier who sent it. Market surveillance authorities, customs agencies, and retail buyers hold the importer or manufacturer responsible for verifying their supply chain evidence.

This guide shows you how to independently verify the authenticity of the most common supplier certificates, spot the red flags, and build an audit file that withstands scrutiny.