Responsible sourcing


In October 2019, the LME announced its responsible sourcing requirements following a formal market-wide consultation.

The requirements for all current and future LME-registered brands are to:

  1. Implement the OECD Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-Affected and High Risk Areas (“OECD Guidance”) through track A, B or C or confirm secondary sourcing through Track D
  2. Maintain an ISO 14001 environmental management system certification or equivalent
  3. Maintain an ISO 45001 / OHSAS 18001 occupational health and safety management system certification or equivalent

The first reporting deadlines for the OECD Guidance requirement began on 30 June 2022 and all aspects of the requirements will be fully embedded by 31 December 2023. The content below explains the requirements and deadlines in detail, provides the documents necessary to comply, and connects you to topic-specific guidance.

If this is your first introduction to responsible sourcing and the LME, the LME recommends starting with the “Overview of LME responsible sourcing” (translations available).

If you are an LME brand producer wishing to submit compliance information, please email the team.

Contact us

For further information, or to submit compliance information, please contact our Responsible Sourcing team.

Contact us

The LME is also partnering with charities Pact and The Impact Facility to fund two responsible sourcing projects.

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