Responsible Minerals Initiative (RMI) - Responsible Minerals Assurance Process T-14: 3TG: public reporting

The facility must publish (directly, on its own or an industry website) its supply chain policy, its audit summary report and an OECD Step 5 due diligence report, respecting business confidentiality; RMI publishes its conformance status and aggregated country of origin information on the smelter and refiner lists.

Maintained by Gerard BlokdykVerified against the published standard 31 May 2026Control text last updated 21 May 2026

Other controls in RMAP 3TG smelter and refiner standards (tin and tantalum, tungsten, gold) – Responsible Minerals Initiative (RMI) - Responsible Minerals Assurance Process

T-1 3TG: documented, public supply chain policy consistent with OECD Annex II
T-10 3TG: red flag review, discrepancy checks, plausibility and sourcing risk level
T-11 3TG: high-risk sources: map supply chains and assess on the ground
T-12 3TG: assess supply chain risks against OECD Annex II
T-13 3TG: risk management plan, six-month mitigation and suspension
T-2 3TG: senior management responsibility, reporting and training
T-3 3TG: document and record control, five-year retention
T-4 3TG: annual performance monitoring and corrective action

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MCP endpoint All Responsible Minerals Initiative (RMI) - Responsible Minerals Assurance Process controls