Key Resources

OECD resources

OECD-UNCTAD-UNCITRAL Investment Treaty Conference 2025: Background note

The background note explores the evolution of investment treaty practice in the past recent years and sets out practical means available to transition outdated investment treaties towards alignment with the current objectives of sustainable development.
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OECD-CNUCED-CNUDCI Conférence sur les traités d’investissement 2025: Note d’information

La note de recherche examine l’évolution de la pratique conventionnelle au cours des dernières années et présente les moyens pratiques disponibles pour faire évoluer les traités d’investissement obsolètes vers un alignement sur les objectifs actuels de développement durable. 
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Strengthening Sustainable Investment through International Investment Agreements


This report discusses the rationale for including provisions on sustainable investment in IIAs – addressing issues such as policy coherence, stakeholder awareness, and investment promotion and facilitation – and clarifies their alignment with international standards, such as the OECD FDI Qualities Recommendation.
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The future of investment treaties - possible directions


As our societies face new challenges and make new demands from policies addressing international investment, there is a new urgency to profoundly reconsider treaties addressing investment. This paper was prepared originally as background for initial inter-governmental and public discusions at the OECD about future investment treaties as well as possible alternatives
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Modernising investment treaties (Track 2)


Under Track 2 of the OECD-hosted work programme on the Future of Investment Treaties, governments from over 100 jurisdictions consider whether it would be better if substantive provisions featured in older generation treaties were more similar to recent designs and how a transition could be achieved in a pragmatic way.
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About work on the Future of Investment Treaties in the Track 2 Project


This note answers frequently asked questions on the OECD Track 2 workstream on modernising investment treaties.
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UNCTAD resources

International Investment Agreements Reform Accelerator


UNCTAD’s International Investment Agreements Reform Accelerator aims to expedite the modernization of the existing stock of old-generation investment treaties. It operationalizes the idea of gradual innovation by focusing on the reform of substantive provisions of IIAs in selected key areas.
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UNCITRAL resources

Draft multilateral instrument on ISDS reform (September 2024)


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Draft multilateral instrument on ISDS reform (September 2022)


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