It is not mandatory to use the MMCF Module. However, most of the Signatory Brands require their suppliers to implement the ZDHC MMCF Guidelines through the MMCF Module.

MMCF Suppliers can start with the MMCF Module free of charge and without prerequisites. However, to be able to submit their assessment, facilities need to meet the ZDHC MMCF Guidelines V2.1 minimum requirement and complete the payment process before the review process can start.