An organisation approved by ZDHC to provide certification to suppliers after completing their Supplier to Zero Assessment. Or after completing a recognised scheme or audit."

Example: If a supplier has completed an OEKOTEX STeP audit, then whilst completing the StZ assessment they are presented with a slimmed down version of the questionnaire. Technically they will still complete StZ. Hence, in this case the StZ certificate will be issued by ZDHC, technically - based on the recognition of the STeP auditing protocol.