Minerals Sourcing+Responsible Minerals Sourcing Policy - Public (Step 1.A.8.1)+methodology
If the company has published its responsible minerals sourcing policy, the answer will be 'Yes'. If the company mentions having such a policy, but the policy cannot be found, the answer will be 'No'.
As this question regards public reporting, 'Unknown' is not an answer option.
As this question regards public reporting, 'Unknown' is not an answer option.