A certificate is only as credible as the organization that issued it. Identify the certification body named on the certificate and visit their official website. Reputable accreditation bodies maintain online directories or databases of certified companies. Use these directories to search for the manufacturer by name or certificate number. A match in the official database is strong proof of authenticity. If the certification body is unfamiliar, you can further verify its own accreditation status through the International Accreditation Forum website to ensure it is itself a recognized entity.

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