Where enforcing an arbitral award from Mainland China

An award creditor who has won at a Mainland Chinese arbitral institution faces the same question that has always defined cross-border enforcement: how quickly can that award reach the assets? For groups with operating entities, receivables or bank accounts in Hong Kong, the answer is more structured than it once was – and the structure is what practitioners need to understand before the first step is taken.

Enforcing an arbitral award from Mainland China in Hong Kong runs principally under the Arrangement Concerning Mutual Enforcement of Arbitral Awards Between the Mainland and the Hong Kong Special Administrative Region (the 1999 Arrangement), supplemented by the 2020 Supplemental Arrangement which took effect in November 2020. Since the 2021 amendment to the Supplemental Arrangement, award creditors may file simultaneous enforcement applications in both Hong Kong and the Mainland without one application barring the other. The governing court for Hong Kong-side enforcement is the Court of First Instance.

This analysis sets out the commercial stakes, maps the cross-border interface between the two systems, identifies where the genuine risk sits, and gives our read on the position as it stands in 2026.

What is commercially at stake when enforcement fails or stalls?

An arbitral award that cannot be enforced is, in commercial terms, worth the paper it was printed on. That is not a metaphor.

For a Mainland-seated award, the gap between winning the arbitration and recovering the sum is where most of the commercial risk concentrates. A respondent with assets in Hong Kong – a subsidiary, a trade receivable, a shareholding in a listed vehicle – sits outside the reach of Mainland enforcement machinery. The award creditor must re-engage the Hong Kong court process. Every day that process is delayed is a day available to a sophisticated counterparty to restructure, distribute or move those assets.

In our cross-border practice, the most common pattern we see is an award creditor who has already obtained an enforceable Mainland award but waited too long, or misjudged the sequence of steps, before approaching Hong Kong. By that point the asset picture has changed. The commercial lesson is unambiguous: enforcement planning should begin before the arbitration concludes, not after the award is signed.

The jurisdictional interface also matters for quantum. A creditor enforcing in Hong Kong proceeds in Hong Kong dollars, through a common-law court, against assets governed by Hong Kong law. That has real implications for garnishee orders, charging orders over shares and the treatment of proceeds. Getting the enforcement instrument right determines whether the recovery is efficient or expensive.

The governing instruments: how the cross-border regime actually works

The 1999 Arrangement is the primary instrument for enforcing Mainland arbitral awards in Hong Kong. It operates between the two systems as a treaty-equivalent regime, separate from the New York Convention. The New York Convention applies to Hong Kong's relations with foreign Convention states; PRC–Hong Kong awards run through the Arrangements exclusively.

The Supplemental Arrangement, which entered into force in November 2020, expanded the categories of awards capable of enforcement and addressed procedural gaps that had accumulated in the two decades since 1999. The most significant operational change came through the 2021 amendment, which abolished the rule that an enforcement application in one jurisdiction suspended or barred the application in the other. Since that amendment, creditors may pursue simultaneous enforcement in both Hong Kong and the Mainland, running the two processes in parallel.

That is a material change in enforcement strategy. Before 2021, creditors had to choose. A creditor with a respondent holding assets on both sides of the boundary was forced to sequence the applications – and sequencing carries risk if the first application stalls or the respondent moves assets during the interval. Parallel filing removes that forced choice.

On the Hong Kong side, the procedural mechanism is an application to the Court of First Instance for leave to enforce the award. The application is supported by the original award (or a certified copy), the arbitration agreement and, where the award is not in English or Chinese, a certified translation. The court reviews the application on a limited set of grounds. It does not re-examine the merits.

The grounds for refusing enforcement mirror those in Article V of the New York Convention, adapted for the bilateral context. They include: incapacity of a party; invalidity of the arbitration agreement; absence of proper notice; excess of jurisdiction; irregularity of the tribunal's composition; non-finality or suspension of the award by the curial court; and public policy. Public policy is the residual ground most frequently argued before the Court of First Instance, and the court applies it narrowly.

How does the Mainland system compare with what Hong Kong requires?

The two systems share a mutual-recognition philosophy, but they operate through different procedural traditions. Understanding the comparison is essential for any creditor managing a bilateral enforcement campaign.

In the Mainland, enforcement of a Hong Kong award proceeds through the people's courts under the equivalent arrangement on the Mainland side. The Mainland courts apply their own procedural law to the enforcement process. Timing, documentary requirements and the conduct of hearings differ materially from the Hong Kong Court of First Instance. In our cross-border practice, we consistently note that Mainland enforcement timelines depend heavily on the jurisdiction of the intermediate or higher people's court, the complexity of the asset position and whether the respondent actively contests the application.

Hong Kong, by contrast, operates through a common-law court system with established procedural rules, English as an official language of the proceedings and a tradition of treating international arbitral awards with strong deference. The Court of First Instance has a developed body of practice on the limited grounds for resisting enforcement. A well-prepared application with a complete document set moves predictably.

The practical implication is asymmetric: Hong Kong enforcement of a Mainland award is typically the more predictable and transparent process. Mainland enforcement of a Hong Kong award can be equally effective, but requires local procedural knowledge and familiarity with the specific court of first instance with jurisdiction over the respondent's assets. This is not a criticism of either system; it is a structural fact that determines how an enforcement campaign should be sequenced and resourced.

One comparison point that surprises some foreign principals: Hong Kong has no capital gains tax, no withholding tax on dividends and no VAT. Once assets are recovered through enforcement in Hong Kong, their treatment from a tax perspective is different from what a creditor based in a higher-tax jurisdiction might expect. That is a structuring observation, not an enforcement one, but it affects how a principal models the net recovery.

What the HKIAC Rules contribute and where they fit in the picture

The 2024 HKIAC Administered Arbitration Rules, effective 1 June 2024, are the standard institutional rules for arbitrations with their seat in Hong Kong. They are not directly the enforcement instrument for Mainland awards – a Mainland award is typically issued by a Mainland institution – but they are relevant in three ways.

First, some cross-border transactions are structured with a Hong Kong seat under HKIAC rules specifically to keep the award within the Hong Kong enforcement environment. A creditor holding an HKIAC award seeks enforcement through the Arbitration Ordinance (Cap. 609) and, for Mainland assets, through the Interim-Measures Arrangement and the reciprocal award-enforcement arrangements. The seat choice is an enforcement-planning decision.

Second, the 2024 Rules contain emergency arbitrator provisions. The target for completing emergency relief proceedings is ordinarily within 14 days of file transmission to the emergency arbitrator. For a creditor who needs to freeze assets quickly – including assets on the Mainland side – an emergency arbitrator application can be a fast-track tool, provided the arbitration agreement permits it and the asset profile supports it.

Third, the Interim-Measures Arrangement between Hong Kong and the Mainland, in force since 1 October 2019, allows parties to arbitrations seated in Hong Kong to seek interim measures from Mainland courts. This is not available in reverse – Mainland-seated arbitrations cannot use this Arrangement to seek Hong Kong court assistance. Understanding the directionality of that mechanism matters when advising on seat selection at the contract stage.

The sequence above describes the standard position. Your matter turns on the specific arbitration agreement, the institutions engaged, the asset profile in both jurisdictions and the order of steps – which is where the outcome is often decided.

For a structured assessment of your enforcement position across Hong Kong and the Mainland, write to us at info@lockhartyip.com.

Where does the risk actually sit in 2026?

Enforcement risk in cross-border arbitration is not evenly distributed across the process. The risk concentrates at three specific points, and our desk sees variations on each regularly.

The first risk point is the document set. An application to the Court of First Instance requires a complete and properly authenticated set of documents: the original award or a certified copy, the arbitration agreement and, if the documents are not in English or Chinese, certified translations. An incomplete or improperly authenticated set does not just cause delay – it gives a respondent an opportunity to challenge the application on procedural grounds before the merits of the refusal-of-enforcement arguments are even reached. Foreign counsel unfamiliar with Hong Kong's requirements for certified translations and notarisation sometimes underestimate this step.

The second risk point is the public policy ground. As noted above, the court applies this ground narrowly, and the Hong Kong courts have a strong tradition of upholding international arbitral awards. But the public policy argument is the most common vector for a well-advised respondent to raise in resisting enforcement, and a creditor whose application does not address the likely arguments in its supporting materials goes into the hearing under-prepared. In our cross-border practice, we approach every enforcement application by modelling the public policy argument first and structuring the application documentation to address it.

The third risk point is asset dissipation. This is the most commercially consequential risk. A respondent who learns that an enforcement application is coming – whether from the timing of the award or from court filings that become public – has an interval in which to restructure its Hong Kong asset position. The tools available to a creditor to address dissipation risk include a Mareva injunction (a freezing order granted by the court to restrain disposal of assets pending enforcement) and, for Hong Kong-seated arbitrations, the emergency arbitrator procedure under the 2024 HKIAC Rules. Timing the enforcement application – and any ancillary relief application – to close the dissipation window is the most important tactical decision in most enforcement matters.

A micro-scenario illustrates the sequencing point. A Central Asian industrial group had obtained a final award from a Mainland institution against a Hong Kong-subsidiary respondent. The group's existing advisers had filed the enforcement application in Hong Kong, but had not sought any interim relief. By the time the leave-to-enforce order was obtained, the respondent had caused the subsidiary to distribute its principal cash balance upstream. The enforcement order was valid; the assets were gone. We reviewed the matter in late 2025. The strategic error was not in the legal analysis – the enforcement application was competently prepared – but in the failure to move on asset preservation in parallel. The lesson is the same each time: enforcement and interim relief are one campaign, not two sequential steps.

If an earlier filing or enforcement attempt has produced an adverse or stalled result, a second read can identify the strategic error and the routes still open.

For a preliminary assessment of your enforcement position and the interim relief options, email info@lockhartyip.com.

The simultaneous-filing point: what changed and why it matters in practice

The 2021 amendment to the Supplemental Arrangement is the most operationally significant development in cross-border arbitral enforcement between the Mainland and Hong Kong in the current period. Before that change, a creditor who had filed for enforcement in Hong Kong had to wait until that application was resolved before filing on the Mainland side – or risk the Mainland application being stayed or refused on the basis of the pending Hong Kong proceeding.

The practical consequence of the old rule was a forced sequencing that served respondents well and creditors poorly. A respondent with assets on both sides of the boundary could predict that the creditor would file first in Hong Kong – the more transparent process – and use the interval to restructure Mainland assets.

Simultaneous filing removes that arbitrage. A creditor can now file in both Hong Kong and the Mainland on the same day, or in rapid succession, without one application prejudicing the other. The constraint is that aggregate recovery cannot exceed the amount of the award. Double recovery is not permitted; the two processes run in parallel but are calibrated against the same liability.

This change has real implications for enforcement strategy in cases where the respondent has material assets in both jurisdictions. The default approach should now be to assess both asset pools at the outset and to consider parallel filing where the asset profile supports it. Waiting to file in the Mainland until the Hong Kong application is resolved is no longer the only safe option. In many cases, it is no longer the best one.

A second micro-scenario. A European technology group had an award from a Mainland institution against a respondent with a Hong Kong holding entity and Mainland operating assets. The creditor had been advised – under the pre-2021 position – to pursue Hong Kong first. By the time our desk reviewed the matter (early 2026), the 2021 amendment had been in effect for several years, but the creditor's existing advisers had not updated their strategy. We restructured the enforcement campaign as a parallel filing, coordinating the Hong Kong court application with allied counsel managing the Mainland-side process simultaneously. The approach materially compressed the overall timeline and prevented the respondent from using the interval between filings to deal with its Mainland assets.

What foreign counsel and in-house teams regularly get wrong

Three misconceptions recur in cross-border enforcement matters of this kind.

The first is treating the arbitration as the end of the process rather than the beginning of the enforcement phase. Some in-house teams – particularly those whose experience is primarily in New York Convention jurisdictions – assume that a final award is largely self-executing once the statutory period for challenge has passed. In the Mainland–Hong Kong context, the enforcement application is a substantive step with its own documentary requirements, procedural timetable and risk profile. It needs to be planned as a matter in its own right.

The second misconception is conflating the New York Convention mechanism with the Arrangements mechanism. For awards made in Mainland China, the New York Convention is not the applicable instrument in Hong Kong proceedings. The 1999 Arrangement and the Supplemental Arrangement govern. The differences are not merely formal; the evidentiary requirements, the available grounds of refusal and the procedural steps diverge in material respects. Foreign counsel who defaults to New York Convention analysis when advising on a Mainland award creates avoidable risk.

The third misconception is assuming that the public policy ground is a serious threat to a properly constituted award. The Court of First Instance applies public policy narrowly in the enforcement context. A well-formed award from a major Mainland institution – the China International Economic and Trade Arbitration Commission (CIETAC, the leading PRC arbitral institution), for example – issued by a properly constituted tribunal following a procedurally regular process, will ordinarily obtain enforcement. The public policy argument is a procedural tool in the hands of a respondent seeking delay; it is not a realistic substantive bar in most cases. Award creditors who delay or under-resource the enforcement application because they fear the public policy argument get the risk assessment backwards.

Our read: where the enforcement environment stands now

The cross-border enforcement environment between the Mainland and Hong Kong is more creditor-friendly in 2026 than at any prior point. The 2020 Supplemental Arrangement expanded the categories of enforceable awards. The 2021 amendment removed the prohibition on simultaneous filing. The Court of First Instance has a settled, narrow approach to the grounds for resisting enforcement. The Interim-Measures Arrangement – for Hong Kong-seated arbitrations – provides a mechanism for reaching Mainland assets before the award is issued.

At the same time, the environment does not run itself. The procedural requirements are exacting. The dissipation risk is real and requires active management. The interplay between the Hong Kong court application, any Mainland-side filing and any ancillary relief application must be sequenced carefully. And the new simultaneous-filing option, while beneficial, requires coordinated counsel on both sides of the boundary to be executed well.

The risks that remain are execution risks, not systemic ones. That is a meaningful improvement in the position, but it does not reduce the premium on getting the enforcement campaign right from the first step.

For groups and principals with awards against Mainland counterparties, the question to ask is not whether enforcement in Hong Kong is available – it is – but whether the enforcement campaign as currently planned uses all available tools in the right order. In our cross-border practice, that review of an existing or planned enforcement campaign is often where the most value is added.

For related perspectives on disputes involving cross-border shareholding structures and joint ventures, see our analysis of shareholder and joint venture disputes with a United Kingdom partner and our review of shareholder and joint venture disputes with a Singapore partner. Both contexts involve enforcement interfaces that intersect with the Mainland–Hong Kong mechanisms discussed here.

Related practices

Disputes & Arbitration – cross-border enforcement, arbitration and Hong Kong court proceedings
Holding Structures – structuring for enforcement efficiency across Greater China and offshore centres

Frequently asked questions

What documents are needed for enforcing an arbitral award from Mainland China in Hong Kong?

An application to the Court of First Instance requires the original award or a certified copy, the original arbitration agreement or a certified copy, and certified translations of any document not in English or Chinese. The authentication and certification requirements are specific. Incomplete or improperly authenticated documents are a common cause of procedural delay and give a respondent grounds to contest the application before the merits of any refusal arguments are reached. Parties should verify the current documentary requirements with counsel before filing.

How long does enforcing an arbitral award from Mainland China in Hong Kong usually take?

Timing depends on whether the respondent contests the application and on the complexity of the asset position. An uncontested application to the Court of First Instance, with a complete document set, can move through the system within a relatively short period. A contested application, where the respondent raises public policy or procedural arguments, will take longer. In our cross-border practice, asset dissipation risk during the enforcement interval is often the more critical variable than the pure procedural timeline. Parallel interim relief applications can compress the effective risk window.

Which jurisdiction's law applies to enforcing an arbitral award from Mainland China in Hong Kong?

The procedural law of the enforcement proceedings is Hong Kong law. The Court of First Instance applies the 1999 Arrangement and the 2020 Supplemental Arrangement as the primary instruments governing the application. The New York Convention does not apply to PRC–Hong Kong awards; the Arrangements are the exclusive cross-boundary mechanism. The substantive law that governed the underlying dispute – whether Mainland law or another system – is not re-examined by the Hong Kong court, which reviews the application on the limited grounds specified in the Arrangements.

Speak with Lockhart & Yip

For a scoped view of your matter, contact info@lockhartyip.com. Discuss your matter →

This publication is general information and does not constitute legal advice. For advice on your situation, contact info@lockhartyip.com.

Where enforcing an arbitral award from Mainland China in Hong Kong stands now