The 2025 Amendments to SIAC Rules: A New Era of Efficiency, Flexibility & Transparency

Introduction

The Singapore International Arbitration Centre ("SIAC") is an international center of international dispute resolution. After years of discussion with practitioners, in-house counsel, government officials, and other stakeholders, the SIAC Rules 2025 took effect from January 1, 2025 onwards. This current update subscribes to a new framework of 65 rules under 10 sections and supported by three schedules, compared to 41 rules and one schedule in the earlier version. Focus has been on improving fairness of the proceedings, enhancing efficiency, and ensuring enforceability of awards^[1]. The new rules aim to expand the availability of expedited proceedings, also revising the emergency arbitration mechanism and offering rules relating to third-party funding. This client alert points out some of these important changes and their essential implications for SIAC arbitration users.

With the below adaptations, there is the establishment of new policies covering streamlined procedure for lower-value controversies and adding emergency arbitrators' powers. Following public consultations, the recently drafted rules concentrate on the contemporary arbitration principles of fairness, effectiveness, and enforceability.

Latest Brick in the wall: Innovations & New beginnings in 2025

1. Rule 13, Schedule 2: Streamlined Procedure —

The 2025 Rules set up a well-organized procedure for claims up to SGD 1,000,000. It can also be applied or excluded based on the parties' agreement.  Unlike typical procedures, the streamlined approach eliminates some of the time-consuming and resource-intensive steps. For example, there is no document production phase, it is a document-only arbitration with no fact or expert witness evidence, and hearings are often avoided unless the tribunal judges them necessary under these procedures.  Furthermore, the procedure imposes severe timelines, with the tribunal expected to issue an award within three (3) months of its formation. This invention is especially useful for lower-value disputes in which parties want an alternative to full-scale arbitration. It is hoped that this will satisfy stakeholders' increased demand for cost-effective conflict resolution.

2. Rule 14, Schedule 3: Expedited Procedure —

The 2025 Rules have enhanced the Emergency Arbitration Procedure ("EA Procedure"), which is getting more crucial for parties demanding immediate interim relief before the formation of the arbitral panel.

One of the most striking variations is the addition of ex-parte protective primary orders, which were preliminarily outside the horizon of arbitrators. These Rules now empower an EA to issue fast remedies, such as asset freezes or injunctions, without even mentioning the opposing party. This solves situations in which giving notice may dwindle the effectiveness of the relief sought, making it a more powerful tool for critical emergencies. This represents a major shift from standard practice, reducing the scripts that require the court's engagement and adjudication of the substantial disagreement, although on a primary basis.

3. Rule 12, Schedule 1: Emergency Arbitrator Powers —

The 2025 Rules have strengthened the Emergency Arbitration Procedure ("EA Procedure"), which has become increasingly important for parties seeking urgent interim relief prior to the establishment of the arbitral panel.

One of the most notable changes is the introduction of ex-parte protective preliminary orders, which were not previously within the authority of arbitrators. The 2025 Rules now allow an emergency arbitrator to swiftly implement remedies, such as asset freezes or injunctions, without informing the opposing party. This addresses situations where providing notice could undermine the effectiveness of the requested relief, thus making it a more effective option for urgent cases. This indicates a significant change from established practices, decreasing the instances that necessitate court involvement and the adjudication of the substantive dispute, albeit on a preliminary level.

4. Rule 46: Preliminary Determination —

A party may request "a final preliminary determination of an issue which arises for consideration in the arbitration" under new Rule 46 of the 2025 SIAC Arbitration Rules." This option is, however, only available in the following circumstances:

•The tribunal may make a preliminary determination if the parties agree and the applicant proves that it will save time and money, leading to a more efficient and expedited resolution of the dispute.

•The case's circumstances might otherwise justify a preliminary determination.

5. Rule 17: Coordinated Proceedings — 

The formal introduction of Rule 17 empowers the institution and arbitral tribunals to manage related proceedings in a coordinated and harmonized manner. With globalization driving increasingly multi-party, multi-contract, and multi-tiered disputes, Rule 17 aims to address the fragmentation of arbitral proceedings often leading to inconsistent outcomes, duplication of efforts, and spiraling costs.

This rule fills an institutional gap by bridging the advantages of joinder (Rule 15) and consolidation (Rule 16) with a flexible third tool: coordinated proceedings, even when parties or contracts differ.

6. Challenge of Arbitrators —   

Challenge of Arbitrators — Rule 26.1, which builds on existing challenge rules, provides an expanded list of grounds for disqualification of an arbitrator to further underscore integrity and transparency. Rule 27, which addresses the mechanism of challenges, now requires a Challenge Filing Fee, underscoring institutional discipline and deterring meritless challenges. 

SIAC’s 2025 Framework measures against other leading Arbitral Institutions

The procedural enhancements in the 2025 SIAC Rules support the broader trend among leading arbitral institutions to modernize arbitration by ensuring their processes are more efficient, responsive, and party-centric. Many leading arbitral institutions, such as the International Chamber of Commerce (ICC) and London Court of International Arbitration (LCIA), have fast-track models; for example, the expedited rules for ICC arbitration include cases that can be fast-tracked in circumstances where the closing amount is below USD 3 million; this is meant to provide an expedient, yet cost-containable access route for resolution of their dispute.

SIAC goes one step further because the Streamlined Procedure is automatically the procedural default for arbitration below SGD 1 million without any other consensus of agreement between the parties. This procedural option, and potentially the others below, makes the arbitration of claims of low-value so much easier for parties, an important consideration to assist start-ups, SME's and mid-sized enterprises, when they do not have any elasticity to conduct a full-blown arbitration process In addition, SIAC appears committed to innovation which is demonstrated with their announcement of the launch of SIAC Gateway, a secure digital case management platform, which not only enhances file, payment and communications, but also comprises sustainable business operations in lesser dependency on business papers. SIAC as an arbitration forum offers a more digital, and greater sustainable business product. This is important given that clients on a global basis now care about these attributes.

Conclusion

The SIAC 2025 Rules represent more than just another round of institutional change. They indicate a shift in how modern arbitration should work. It needs to be practical, precise, and responsive to global business needs. The automatic Streamlined Procedure for smaller claims and the introduction of Protective Preliminary Orders, along with digital case management, show that SIAC wants to lead the way in improving arbitration practices.

However, as this blog has discussed, the true test of SIAC’s innovation lies in its real-world application. This includes how it handles disputes under pressure and across borders. Challenges remain: enforcement is still inconsistent in important Asian jurisdictions, costs can be high for smaller claimants, and the complexity of procedures requires more expertise from lawyers.

Despite these issues, the path forward is clear. With these amended 2025 Rules, SIAC is actively shaping the global arbitration rules and just keeping up with the global standards. This is a clear sign for businesses, practitioners, and policymakers that we are entering a more organized, technology-driven, and user-friendly era of international arbitration.

Endnotes

1. Singapore Int’l Arb. Ctr. [SIAC], SIAC Rules 2025 (7th ed. effective Jan. 1, 2025), https://www.siac.org.sg.
2. Oon & Bazul LLP, An Analysis of the 7th Edition of the SIAC Rules 2025 (Feb. 2025), https://oonbazul.com/an-analysis-of-the-7th-edition-of-the-siac-rules-2025-key-changes
3. Ashurst LLP, The New SIAC Rules 2025: Three Key Takeaways (Apr. 2025), https://www.ashurst.com/en/insights/the-new-siac-rules-three-key-takeaways/
4. Foley Hoag LLP, Key Changes in the 2025 SIAC Arbitration Rules (Mar. 2025), https://foleyhoag.com/news-and-insights/publications/alerts-and-updates/2025/march/key-changes-in-the-2025-siac-arbitration-rul
5. DLA Piper, Understanding the SIAC Arbitration Rules 2025 (Jan. 2025), https://www.dlapiper.com/en/insights/publications/arbitration-matters/2025/understanding-the-siac-arbitration-rules-2025
6. The Arbitration Digest, SIAC Rules 2025: What Remains and What Changes (Jan. 2025), https://thearbitrationdigest.com/siac-rules-2025-what-remains-and-what-changes
7. Nishith Desai Assocs., SIAC Gateway: A New Era in Case Management (Jan. 2025), https://www.nishithdesai.com/NewsDetails/15232
8. Int’l Council for Com. Arb. (ICCA) & Queen Mary Univ. of London (QMUL), Third-Party Funding in Int’l Arbitration, ICCA Reports No. 9 (2021), https://www.arbitration-icca.org/icca-reports-no-9
9. SIAC, Annual Report 2024 (2025), https://www.siac.org.sg.

SCC Online, Evolution of SIAC Arbitration Rules Since 2010 and New Procedural Options for Business Users in the 2025 Rules (June 29, 2025), https://www.scconline.com/blog/post/2025/06/29/evolution-of-siac-arbitration-rules-since-2010-and-new-procedural-options-for-business-users-in-the-2025-rules