Regulation (EU) No 2017/821 for the laying down of supply chain due diligence obligations for Union importers of tin, tantalum and tungsten, their ores, and gold originating from conflict-affected and high-risk areas seeks to ensure that
The regulation covers minerals and metals of:
These are collectively known as 3TG. The regulation requires EU companies in the supply chain to ensure they import these minerals and metals from responsible and conflict-free sources only.