On Quark Publishing Platform's Privacy Page you can request and collect all the privacy and GDPR related information that Quark Publishing Platform is providing.
The privacy policy by is a legal document or statement that discloses how Quark Publishing Platform gathers, uses, discloses, and manges their customers' data.
The basis for Quark sharing, adding, uploading, hosting, accessing or sending personal data out of Europe. Vendors can also add a description of their own impact assessment for data transfers.