When Project Companies and Contracting Parties Blur: Singapore’s Non-Interventionist Approach to an Application to Set Aside an Arbitral Award Based on Invoices Issued to Related Company
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Insight Article 23 July 2026 23 July 2026
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Asia Pacific
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Regulatory movement
When Project Companies and Contracting Parties Blur: Singapore’s Non-Interventionist Approach to an Application to Set Aside an Arbitral Award Based on Invoices Issued to Related Company
Summary
In JXC Pte Ltd v Thye Chuan Engineering Construction Co Ltd [2026] SGHC 100 (“JXC v Thye Chuan Engineering”), the General Division of the High Court (“High Court”) considered an application to set aside based on natural justice grounds.
The challenge arose from a tribunal’s decision to allow a main contractor (the contracting entity) to rely on invoices issued to a related non-contracting entity as evidence of losses, in circumstances where the employer and main contractor were treated interchangeably for project purposes.1
In dismissing the application, the High Court reaffirmed the established principles governing the challenges to arbitral awards on natural justice grounds, demonstrating Singapore’s continued commitment to a principled approach in setting aside awards, and promoting certainty and finality in arbitrations.
More significantly, the decision illustrates how arbitral tribunals may assess construction disputes by reference to the parties’ conduct, contemporaneous communications and practical realities of project delivery. In an industry which is often characterized by multiple contractual layers and complex project structures, related entities may sometimes be treated operationally as a single interface for project administration.
This decision therefore serves as a timely reminder that departures from the contractual structure in day-to-day project dealings – including invoicing arrangements adopted for convenience or to avoid delays to ongoing works – may be taken into account by tribunals when determining issues of loss and causation, with potentially significant financial consequence.
Case Background
MEOD Pte Ltd (“Meod”) engaged Thye Chuan Engineering Construction Co Ltd (“TC”) as a main contractor for a construction project. TC in turn engaged JXC Pte Ltd (“JXC”) as the sub-contractor for part of the works.
Following disputes between parties, TC commenced arbitration proceedings against JXC. The arbitrator found in favour of both TC and JXC on various claims, resulting in a net balance of S$28,903.45 being awarded to TC with interest.2
Part of the sums awarded to TC related to its claim of S$175,200, being the costs to hire a third-party equipment and manpower supplier to complete the sub-contract works.3 Although this third-party supplier’s invoices were issued to Meod, and not to TC, the arbitrator allowed TC to rely on those invoices as proof of its losses.4
The arbitrator also allowed TC’s claim for post-termination survey costs on the basis that such expenses incurred by Meod were also de facto losses suffered by TC. In support of this claim, TC also relied on an invoice addressed to Meod, albeit marked for the attention of TC’s employee.5
JXC subsequently applied to set aside those aspects of the award on the basis that the arbitrator’s reasoning – that such expenses incurred by Meod were de facto losses suffered by TC – was not pleaded, not in evidence, not argued, and not reasonably foreseeable.6
Prior to rendering her award, the arbitrator invited further submissions on whether there was any basis for TC to rely on these documents addressed to Meod as evidence of TC’s loss and damages claim in the arbitration.7
The Arbitrator’s Decision
The arbitrator however rejected the arguments advanced by TC to justify its claim based on invoices issued to Meod;8
- (a) The arbitrator did not accept the source of funds was legally irrelevant, and held that TC still had to prove that it incurred the expense/ cost;
- (b) The arbitrator did not accept that JXC was obliged to indemnify TC in respect of the amounts in the invoices issued to Meod; and
- (c) The arbitrator did not agree that the invoices represented contingent losses.
The arbitrator also expressly noted that it was “unsatisfactory that there was no back charge” by Meod to Thye Chuan, in relation to the invoices issued to Meod.
Notwithstanding this, the arbitrator proceeded on a different rationale – which TC did not put forward.9 In this regard, the arbitrator held that TC could rely on the invoices issued to Meod, since the evidence showed that TC and JXC both regarded Meod and TC’s representatives and management as acting interchangeably on behalf of both entities, such that they were de facto the same party for the purposes of negotiations with and instructions to JXC under the subcontract.10 The arbitrator therefore concluded that expenses incurred by Meod to remedy the outstanding subcontract works were de facto losses suffered by TC.
Legal Principles on Setting Aside Arbitration Awards and the High Court’s Analysis
Section 48(1)(a)(vii) of the Arbitration Act 2001 provides that an award may be set aside by the Court if a party who applies to Court for the same proves to the satisfaction of the Court that “a breach of the rules of natural justice occurred in connection with the making of the award by which the rights of any party have been prejudiced”.
The High Court reiterated the legal principles governing when an award may be set aside for breach of natural justice, as set out in Soh Beng Tee & Co Pte Ltd v Fairmount Development Pte Ltd [2007] 3 SLR(R) 86, and Vietnam Oil and Gas Group v Joint Stock Company (Power Machines – ZTL, LMZ, Electrosila Energomachexport) [2025] 2 SLR 273 – in particular that:
- (a) A party seeking to set aside an award must identify the specific rule of natural justice allegedly breached, explain how the breach occurred, demonstrate its connection to the award, and show resulting prejudice.
- (b) Arbitral tribunals must afford parties a fair opportunity to present and respond to their cases, although a tribunal's reasoning need not mirror the parties' submissions, provided there is sufficient nexus to the issues, evidence and arguments placed before it.
- (c) Arbitrators are entitled to draw their own conclusions from the evidence and may adopt a "middle path", unless doing so would amount to a dramatic and unforeseeable departure from the parties' cases.
Applying these principles, the High Court held that the arbitrator’s reasoning was not a dramatic departure to what had been presented to the arbitrator. Rather, it was built from the pleadings, evidence and the factual context of the case.11
In particular, the High Court held that the arbitrator’s conclusion that TC could rely on invoices issued to Meod flowed from the issue of whether TC had led JXC to understand that TC and Meod were effectively one and the same for the purposes of the Project. Significantly, JXC had itself advanced the same argument in support of its sand supply counterclaim. The Court therefore held that a reasonable litigant in JXC’s position could have foreseen the possibility of the arbitration adopting the same reasoning for TC’s claim on the invoices issued to Meod.12
The High Court also stated that, even if the reasoning had been surprising, the ultimate question was one of fairness and whether the parties had adequate opportunity to address the issues they knew or ought reasonably to have known were at play. It was held that JXC had ample opportunity to cross-examine TC’s witness about the invoices issued to Meod, address the point in closing submissions, further submissions and rebuttal correspondence. JXC had also itself put in issue whether TC and Meod were one and the same.
As such, there was no breach of natural justice.
Separately, the High Court also made some observations in obiter on the issue of whether it might have chosen to remit the challenged parts of the award to the arbitrator.13 The High Court opined that even if a breach of natural justice was established, it would likely have remitted the issue to the arbitrator for further consideration, rather than setting aside the affected parts of the award.14
In the Court’s view, there was no evidence that the tribunal had failed entirely to appreciate the correct questions or failed to apply its mind to them.15 There was also no evidence that the arbitrator’s decision on TC’s entitlement to terminate the subcontract was erroneous or that remission on this point would not be appropriate. The relevant inquiry was whether a reasonable person would no longer have confidence in the tribunal’s ability to come to a fair and balanced conclusion on the issues if remitted, with the focus being on due process, rather than whether the tribunal had reached the correct substantive conclusion.16
Commentary
The critical point identified by the High Court was that the arbitrator ultimately relied on a rationale (namely that Meod and TC had been treated by the parties as effectively interchangeable for project purposes) which TC had not expressly advanced – instead of limiting itself to TC’s arguments based on the source of funds, indemnity or contingent loss. This conclusion was also premised not only by the evidential records, but also JXC’s own counterclaim which proceeded on a similar rationale.
This decision reaffirms that an arbitrator is not confined to choosing between parties’ legal argument – but may reach a conclusion not expressly advanced by the parties – provided that those conclusions remain anchored in the evidence and issues already before the tribunal. The Court will not accept a reasoning that dramatically departs from the parties’ case. Since it was not a new issue or basis that the parties never had the opportunity to address, the Court was prepared to find that natural justice has not been breached in the case.
The High Court’s treatment of the remission point is also noteworthy. The Court’s obiter indication of its preference for remission back to the tribunal if there had been a breach of natural justice, reinforce Singapore's pro-arbitration and non-interventionist approach. As the provisions of Section 48(1)(a)(vii) of the Arbitration Act 2001 (applicable to domestic arbitration) are in pari materia with that at Section 24 of the International Arbitration Act (applicable to international arbitration), the Courts may adopt a similar approach in international arbitration cases as well.
More broadly, the decision showcases the practical reality that tribunals may draw inferences from the parties’ conduct and relationships based on the evidential records before it. A natural justice challenge will fail where the tribunal's reasoning can be traced back to issues raised by the parties themselves, even if neither party articulated the exact legal route ultimately adopted by the tribunal.
As such, parties should approach arbitration with the understanding that their documented dealings, correspondence, and project arrangements may be interpreted holistically in the tribunal’s assessment of loss and causation – where opportunities to revisit or challenge such findings (even if substantively wrong) after the award are limited.
End
