Responsible Sourcing Assurance
Independent assurance & company due diligence reports
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We publish links to independent assurance reports and company reports (‘OECD Step 5 due diligence reports’) for smelters who have undertaken assurance under Tin Code Standard 7.3 (Responsible Sourcing) against the ITA-RMI Assessment Criteria for Tin Smelters (v2 Mar 2021) using the Tin Code Assurance System.