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  1. Stichting ZDHC Foundation Help Centre
  2. Supplier Platform
  3. Supplier Platform Guidance
  4. Certificates & Expiration
Knowledge base

The validity of the certificates is shown on the certificate. As of January 2023, the validities per certificate are:

Certificates vary by module type and level. For Supplier to Zero modules, all three levels (1-3) receive certificates valid for 365 days. MMCF modules also receive 365-day certificates. Resource Efficiency has two tiers - Free (no certificate) and Paid (365-day certificate). Effluent Treatment and Use Cases modules do not issue certificates.

Module Level Certificate Validity
Supplier to Zero Level 1 Yes 365 days
  Level 2 Yes 365 days
  Level 3 Yes 365 days
MMCF - Yes 365 days
Resource Efficiency Free No Not applicable
  Paid No 365 days
Effluent Treatment - No Not applicable
Use Cases - No Not applicable

Effective June 2023, some of the terminology is changed to align with the 2030 Impact Strategy. Certification levels within Supplier to Zero for non-signatory suppliers terminology has changed from Foundational, Progressive, and Aspirational Level to Supplier to Zero Levels 1, 2, and 3.

For more information regarding the updated terminology, please refer to the following Knowledge-Base article: New Terminology.

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