Singapore Bids to Host Investment Tribunal While Helping Shape Its Rules

Singapore is bidding to host a proposed permanent tribunal for disputes between foreign investors and governments while negotiating how much authority that tribunal should have, an early move to extend the city-state’s dispute-resolution hub into a new layer of the global investment system.

According to the ministry of law, Singapore will put itself forward to host what it calls the Multilateral Investment Tribunal, or MIT, currently being negotiated by the United Nations Commission on International Trade Law’s (UNCITRAL) Working Group III. The proposed institution would have a permanent bench of elected members serving fixed terms, rather than tribunals assembled separately for individual disputes.

Singapore is offering more than a venue. Law minister Edwin Tong said the country is prepared to house the tribunal in a dedicated building equipped with hearing facilities, space for tribunal members, a registry and supporting facilities. The government has also offered support for an assistance fund for developing and least-developed countries, as well as translation and transcription services, as part of its bid.

However, Singapore is bidding before the institution itself has been settled. At UNCITRAL’s March session, negotiators agreed that the draft statute should leave the location of the Permanent Tribunal’s headquarters and the identity of its host government open until a host is chosen. They also left open whether the tribunal would ultimately be established within the UN system.

That timing matters because Singapore is not approaching the process solely as a prospective host.

The government submitted a formal proposal on the tribunal’s jurisdiction to UNCITRAL, which the secretariat received on February 24. Singapore sought to bridge

competing positions on whether the new forum should have exclusive jurisdiction or operate alongside existing investor-state arbitration routes.

Under Singapore’s model, governments could make that choice treaty by treaty. For an investment treaty listed by both parties, the Permanent Tribunal would gain exclusive jurisdiction only if both governments also chose exclusivity. If one or both did not, its jurisdiction would remain non-exclusive and other dispute-resolution routes provided under that treaty, such as ICSID arbitration, could remain available.

For context, the International Centre for Settlement of Investment Disputes, or ICSID, is the World Bank Group institution that administers many investor-state arbitrations under investment treaties and contracts. Unlike the proposed permanent tribunal, ICSID cases are generally heard by tribunals constituted for individual disputes.

That distinction fed directly into the March negotiations. Delegates generally favoured requiring express consent before exclusive jurisdiction could arise and said that, for an investment treaty, both treaty parties would need to agree. The UNCITRAL secretariat was asked to prepare text under which exclusive jurisdiction could be conferred where contracting parties had expressly consented, whether by opting in or opting out.

It was also asked to consider practical ways of capturing those choices in the notifications states submit for each treaty, including requiring a state to choose expressly between exclusive and non-exclusive jurisdiction.

Singapore also has a formal presence inside the negotiating process. Natalie Yu-Lin Morris-Sharma, a prominent Singaporean international lawyer and diplomat, was re-elected rapporteur of Working Group III at the March session, a role she has held for multiple sessions. That does not give Singapore control over the negotiations. But alongside its jurisdiction proposal, it puts the city-state closer to the institution-building process than a conventional bid to host an already established body.

The proposed tribunal is part of a broader attempt to reform investor-state dispute settlement, or ISDS, which allows qualifying foreign investors to bring treaty-based claims against governments. Such disputes have largely been handled through arbitration, with tribunals constituted for individual cases. UNCITRAL‘s reform work has focussed on several concerns, including inconsistent outcomes, questions about the independence and impartiality of decision-makers and the cost and duration of proceedings.

Incidentally, the latest UN data do not support one part of Singapore’s stated rationale for reform. While announcing the bid, the ministry of law said there had been a “significant uptick” in ISDS cases in recent years as governments increased regulatory measures affecting investments. But UN Trade and Development recorded 1,463 known treaty-based ISDS cases by the end of 2025, including at least 56 publicly known cases initiated last year, and says annual filings since 2022 have remained below the levels recorded during 2015-2021. It cautions, however, that recent totals can rise when previously confidential disputes become public.

The rationale for reform, therefore, rests less on a current surge in new disputes than on what governments want to do with a system that has accumulated more than 1,400 known treaty cases. A permanent tribunal would change the architecture itself, moving some disputes from decision-makers appointed case by case towards a standing institution with elected members.

How far that change goes remains unresolved.

Singapore’s own law ministry describes the MIT as an additional pathway for resolving ISDS cases, not as an agreed replacement for arbitration. The March negotiations reflected the same divide. Some delegations argued that a standing mechanism would lose much of its purpose without exclusive jurisdiction, while others stressed party autonomy and the continued availability of alternative forums.

That distinction matters for Singapore, which has spent years building its position as an international arbitration and dispute-resolution centre.

The Permanent Court of Arbitration established its first Asian office outside its Hague headquarters in Singapore in 2018, following a host-country agreement signed the previous year. The office expanded in 2025 and, according to Singapore’s ministry of law, has administered, supported tribunals or acted in appointing-authority matters in more than 100 cases since operations began.

Singapore has also been building an ICSID presence, although the process began with a Letter of Intent instead of an already operating overseas office. The law ministry and the ICSID signed the letter on August 25, 2025, to formalise the establishment of an ICSID Singapore Office. The planned regional hub will be based at the World Bank Group’s Singapore office, with satellite premises at Maxwell Chambers Suites.

ICSID has since expanded its overseas footprint. On March 24, 2026, ICSID announced a Paris office, describing it as its first staffed office in Europe and its second location outside Washington following the Singapore announcement.

Nevertheless, Singapore remains among the world’s most preferred arbitration seats. In the 2025 Queen Mary University of London and White & Case international arbitration survey, 34% of respondents selected London, while Singapore and Hong Kong each drew 31%, making them joint second by that measure. London and Singapore both ranked among the top five choices in each of the six regions where respondents principally practised or operated.

Hosting the proposed permanent tribunal would take that strategy beyond competing for arbitration cases, institutions and legal work. If governments establish the tribunal and confer jurisdiction on it, Singapore would host part of the treaty-based infrastructure through which participating states choose to resolve investment disputes.

The next discussions do not decide that outcome.

UNCITRAL’s 10th intersessional meeting will run from September 7 to 9 in Ninh Binh, Vietnam, and its current webpage lists Singapore’s jurisdiction submission among the meeting documents. The meeting is expected to cover the permanent and appellate tribunals as well as damages and compensation, but intersessional meetings are informal and cannot make decisions.

Formal work follows a different timetable. The 55th session in Vienna from October 12 to 16 is scheduled to consider remaining procedural and cross-cutting provisions and damages guidelines. The statutes of the Permanent Tribunal and Permanent Appellate Tribunal return at the 56th session in Vienna from January 11 to 15, 2027, with the 57th session in New York from March 1 to 5 aiming to finalise texts for presentation to the Commission.

Singapore is, therefore, bidding to host the institution about six months before negotiators aim to finish the texts that will define it. For a country already established as an arbitration venue, the bid is less about adding another legal institution than moving upstream, from providing a place where international disputes are resolved to seeking a place inside the architecture that could determine how some of those disputes are resolved in future.