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    ISO 20400

    ISO 20400:2017 Sustainable procurement, Guidance

    In force2017NewModified

    Topic : Supply chain due diligence · Level : Sector-specific

    Today

    2017 edition in force. Guidance only, not certifiable. Builds on ISO 26000.

    Summary

    ISO 20400 is the international guidance on sustainable procurement, published in 2017 and based on ISO 26000. It helps buyers set policy, assess supplier risk and develop suppliers. It is not certifiable.

    Who is concerned

    Turnover
    not specified (voluntary standard)
    Employees
    non précisé
    Listed company
    non précisé
    Sectors
    • All sectors
    Triggering activities
    • Buyer sets a sustainable procurement policy
    • Tender includes sustainability criteria
    Extraterritorial reach
    No

    Applies to purchases from any country.

    Examples
    • Brand building a supplier code
    • Sourcing office grading suppliers

    What the law requires

    • Integrate sustainability in procurement policy
    • Assess supplier risks and prioritise
    • Engage and develop suppliers, not only screen
    • Monitor results and improve

    Penalties

    None; guidance standard.

    What this changes for a supplier in China

    Buyers following ISO 20400 move from one-off audits to supplier development programmes. They expect suppliers to join improvement plans and share progress data.

    Expected evidence

    • Answers to supplier assessment
    • Improvement plan with milestones
    • Progress data year on year

    Tiers : Tier 1-2

    SSDPConsulting

    Sources

    General information, not legal advice. As of 4 November 2026. Official sources on every detail page.