Guidelines for multinational enterprises

OECD Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-Affected and High-Risk Areas


   Helping industries meet responsible sourcing expectations

The OECD Due Diligence Guidance provides detailed recommendations to help companies respect human rights and avoid contributing to conflict through their mineral purchasing decisions and practices. This Guidance is for use by any company potentially sourcing minerals or metals from conflict-affected and high-risk areas. The OECD Guidance is global in scope, and applies to all mineral supply chains.


The 3rd Edition of the OECD Due Diligence Guidance was published in April 2016. This booklet contains the OECD Council Recommendation, the text of the Guidance, the 3Ts Supplement and the Gold Supplement. The updated version clarifies that the Guidance provides a framework for detailed due diligence as a basis for responsible supply chain management of minerals, including tin, tantalum, tungsten and gold, as well as all other mineral resources.  


In addition to the 37 OECD Members, 9 non-Members, namely Argentina, Brazil, Costa Rica, Croatia, Kazakhstan, Morocco, Peru and Romania and Ukraine, adhered to the Council Recommendation.



Find out how we use the Guidance to engage with business, governements and civil society:




International Standard

The Guidance is referenced in a range of international declarations, regulations and initiatives.


Alignment Assessment

Assessment methodology for evaluating the extent to which industry programmes align with the detailed recommendations of the OECD Guidance. 



Minerals Forum

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27-28 April 2021

The Forum for Responsible Mineral Supply Chains is the leading event in the responsible mineral space, providing business, government and civil society the opportunity to review and discuss implementation of the OECD Guidance. 



Global Implementation

The OECD Guidance is global in scope, and applies to all mineral supply chains. Learn more about the implementation programme across countries and supply chains.



A repository of OECD reports, papers notes on the implementation of the OECD Guidance.








Download the Guidance

English (official) | Français (official) 

Chinese | German | Japanese | Korean | Spanish | Turkish 


Find out more

How does the Guidance apply to you? Consult the interactive Due Diligence Guidance

‌Download a short overview: EnglishFrançais | Japanese

Download an infographic on the 5-step framework for supply chains



Follow us on social media & join the conversation

@OECD_BizFin #OECDrbc |  #OECDduediligence | Linkedin


   Responsible Mineral Supply Chains in FOCUS

  • COVID-19: Call to Action for Responsible Mineral Supply Chains Statement English | French | Chinese



Interconnected supply chains: a comprehensive look at due diligence challenges and opportunities sourcing cobalt and copper from the DRC
Gold at the crossroad: Assessment of the supply chains of gold produced in Burkina Faso, Mali and Niger
Due diligence in Colombia's gold supply chain
Mineral supply chain and conflict links in Eastern Democratic Republic of Congo
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Due diligence in colombia gold supply chain 150x212

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Mineral Supply Chains DRC Due Diligence Report 150x200

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Promoting coherence between standards on responsible mineral supply chains

Promoting coherence between the OECD guidance and the voluntary principles on security and human rights
Costs and value of due diligence in mineral supply chains



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OECD guidance and voluntary principles on security and human rights

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Costs and value of due diligence in mineral supply chains 





   Standards and tools to help companies implement the Guidance
Due diligence guidance
Chinese due diligence guidelines for responsible mineral supply chains
 Minerals alignment assessment 
Practical actions for worst forms of child labour in mineral supply chains

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Minerals Alignment Assessment Cover Preliminary 150x212

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Practical actions for worst forms child labour mining sector 150x212



Sourcing gold from artisanal and small scale miners 


FAQ: How to address bribery and corruption risks in mineral supply chains


Monitoring and evaluation framework - OECD Due Diligence Guidance for responsible mineral supply chains

Due diligence of mineral supply chains during the covid-19 pandemic


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Trends in Stakeholder Reporting: Mineral Supply Chains


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