The EU welcomes Cambodia’s decision to join the Multi-party Interim Appeal Arbitration Arrangement (MPIA) for WTO members, contributing to efforts to uphold a rules-based multilateral trading system. 

With Cambodia’s participation, the MPIA now covers 62 World Trade Organization (WTO) members and 60.4% of world trade.  

The MPIA brings together participants from all continents and at different levels of development, united by a shared commitment to upholding the rules-based trading system. 

The MPIA preserves the right to appeal in trade disputes among participating WTO members, at a time when the WTO’s Appellate Body remains non-functioning. It helps ensure that disputes can continue to be resolved in an orderly and binding manner, avoiding appeals 'into the void'. 

“I welcome Cambodia to the MPIA. The arrangement plays an important role in upholding the rules-based trading system. Each new participant helps reinforce the predictability, stability and credibility of global trade rules. I encourage other WTO members to join the MPIA,” said EU Trade and Economic Security Commissioner Maroš Šefčovič. 

Background 

The MPIA was established in 2020 and has proven its effectiveness in many WTO disputes.  

Under the MPIA, appeals are heard by arbitrators randomly selected from a pool of 10 standing appeal arbitrators set up by the participating WTO members. These arbitrators are persons of recognised authority, with demonstrated expertise in law, international trade and WTO agreements.  

The MPIA is open to all WTO members as a practical tool for appeal arbitration, pending the restoration of a reformed and fully functioning WTO dispute settlement system. 

As of 1 June 2025, the MPIA has an updated pool of appeal arbitrators to ensure that appeals continue to be heard by independent arbitrators of the highest calibre. 

At the WTO Ministerial Conference that took place earlier this year, MPIA ministers stressed the importance of the MPIA for the security and predictability of the multilateral trading system.  

The current MPIA participants are Australia, Barbados, Benin, Brazil, Cambodia, Canada, China, Chile, Colombia, Costa Rica, Ecuador, the European Union (and its Member States), Guatemala, Hong Kong (China), Iceland, Japan, Liechtenstein, Macao (China), Malaysia, Mexico, Moldova, Montenegro, New Zealand, Nicaragua, Norway, Pakistan, Paraguay, Peru, the Philippines, Singapore, Switzerland, Ukraine, the United Kingdom, Uruguay and Vietnam.

More information

MC14: Supporting the rules-based multilateral trading system: the role of the MPIA

Classes are over at Madrid’s Complutense University, and the corridors of the Faculty of Physical Sciences are nearly empty. But Héctor Socas, 53, a researcher at Spain’s Institute of Astrophysics of the Canary Islands, is spending part of an early summer morning in a meeting of the international AtLAST consortium, which is promoting the construction of a major radio telescope in Chile. Socas also directs the European Solar Telescope Foundation, one of Spain’s most ambitious astronomy projects.

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© Ismael Nasrollah (EL PAÍS)

For centuries, travellers to the southern tip of South America returned with astonishing stories. They spoke of a land swept by fierce winds and endless plains, inhabited by people of extraordinary size. Some claimed these inhabitants were giants, towering far above ordinary men. Their tales captured the imagination of Europe and helped create one of the most enduring geographical myths in history: the Giants of Patagonia.

A sailor giving a Patagonian woman some biscuit for her baby. Credit: William C. Sturtevant