International Arbitration Mechanisms

United Nations Convention on Transparency in Treaty-based Investor-State Arbitration  

UNCITRAL Rules on Transparency in Treaty-based Investor-State Arbitration  

UNCITRAL Arbitration Rules (with new Article 1, paragraph 4, as adopted in 2013) UNCITRAL Rules on Transparency in Treaty-based Investor-State Arbitration  

UNCITRAL Arbitration Rule (as revised in 2010)  

UNCITRAL Arbitration Rules (2021) UNCITRAL Expedited Arbitration Rules UNCITRAL Rules on Transparency in Treaty-based Investor-State Arbitration  

Recommendations to Assist Arbitral Institutions and Other Interested Bodies with Regard to Arbitration under the UNCITRAL Arbitration Rules (as revised in 2010)  

Convention on the Settlement of Investment Disputes between States and Nationals of Other States  

ICSID Administrative and Financial Regulations  

ICSID Convention Institution Rules  

ICSID Conciliation Rules  

ICSID Arbitration Rules  

1899 Convention for the Pacific Settlement of International Disputes  

1907 Convention for the Pacific Settlement of International Disputes  

Permanent Court of Arbitration (PCA) Arbitration Rules  

PCA Optional Protocol on Emergency Interim Measures  

PCA Optional Protocol on Scrutiny of Awards  

Permanent Court of Arbitration Optional Rules for Arbitrating Disputes between Two Parties of Which Only One Is a State  

Permanent Court of Arbitration Optional Rules for Arbitration between International Organizations and Private Parties  

Permanent Court of Arbitration Optional Conciliation Rules  

Permanent Court of Arbitration Optional Rules for Conciliation of Disputes Relating to Natural Resources and the Environment  

Arbitration Rules (1 January 2021) and  Mediation Rules (1 January 2014)  

ICC Force Majeure and Hardship Clauses  

ICC Anti-corruption Clause  

LCIA Arbitration Rules  

Costs and Duration Analysis (2024)  

LCIA Guidance Note for Parties and Arbitrators    

Equality, Diversity, and Inclusion Guidelines  

Arbitration Rules ( with Amendments of 11 September 2025)  

Mediation Rules (2024)