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  1. Stichting ZDHC Foundation Help Centre
  2. Supplier Platform
  3. About Supplier to Zero
  4. Levels & Versions
Knowledge base

It is required to complete the Supplier to Zero Foundational Level to access the Supplier to Zero Progressive Level. It is necessary to complete the Supplier to Zero Progressive Level to access the Supplier to Zero Aspirational Level.

However, when your certificate on Progressive Level or Aspirational Level has expired, you can renew your highest certificate directly.

Note: Please make sure you complete your submission in time!

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  • Does a new questionnaire affect the validity of a certificate?
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