How to approach enforcing a Hong Kong arbitral award in Mainland China

An award is not money. It is a right to money – and that right is worthless until it reaches the jurisdiction where the debtor's assets actually sit. For most of our clients with counterparties in the Mainland, that endgame is a people's court, not a Hong Kong courtroom.

Enforcing a Hong Kong arbitral award in Mainland China runs through a dedicated bilateral arrangement – the Arrangement Concerning Mutual Enforcement of Arbitral Awards Between the Mainland and the Hong Kong Special Administrative Region, as supplemented in 2020 – rather than the New York Convention, which does not apply to the cross-boundary relationship between Hong Kong and the Mainland. The 2020 Supplemental Arrangement, in force since its effective date, permits an award creditor to apply for enforcement simultaneously in both places, removing an earlier constraint that required an election between the two. The route, however, is sequential in its internal steps and requires a clean, correctly constituted file before any application reaches the court.

This guide sets out the decision the award creditor faces, the sequence of steps in order, the gate at each stage, and the most common mistake that stalls or defeats an otherwise valid application.

Why the Hong Kong–Mainland route is not the New York Convention route

The New York Convention on the Recognition and Enforcement of Foreign Arbitral Awards applies to Hong Kong. It does not, however, govern enforcement of Hong Kong awards in the Mainland, because the Mainland and Hong Kong are parts of a single sovereign state. Two separate legal systems coexist within that state – the civil-law system of the Mainland and the common-law system of Hong Kong – and the applicable mechanism is the bilateral Arrangement, not the Convention framework that governs enforcement between states.

This distinction matters practically. Convention defences in Mainland courts are well-litigated and relatively well-understood by foreign practitioners. The Arrangement operates differently. Its grounds for refusal are analogous but not identical, and the procedural requirements for the supporting file differ from the documentation a practitioner would assemble for a Convention application in a third country. Foreign counsel who approach a Mainland enforcement as if it were a Convention matter – because that is the frame they know – routinely produce an inadequate file. The award creditor then faces a rejection or a prolonged supplementation process.

In our cross-border practice, the Arrangement distinction is the first point we raise with any client who instructs us after winning a Hong Kong award. The bilateral regime has its own logic, and that logic governs every step that follows.

What is the governing instrument, and what does it cover?

The primary instrument is the 1999 Arrangement, substantially modified by the 2020 Supplemental Arrangement. Together, they cover awards made by arbitral institutions and, under the 2020 text, ad hoc awards recognised by the competent authority in Hong Kong. The seat of arbitration must be Hong Kong for the Arrangement to apply.

The 2020 Supplemental Arrangement introduced two significant changes. First, it removed the mutual exclusivity requirement: an award creditor may now apply for enforcement simultaneously in the Mainland and in Hong Kong, rather than being forced to choose one. Second, it extended coverage to certain ad hoc awards. Before the Supplemental Arrangement took effect, ad hoc Hong Kong awards occupied an awkward position – institutional awards from bodies such as the HKIAC were well within scope, but ad hoc awards were not uniformly treated.

The HKIAC Administered Arbitration Rules in force since 1 June 2024 govern the conduct of the arbitration itself. They affect the award's constitution – whether the tribunal was properly appointed, whether the procedural record is complete, whether any award on costs is separately documented – and those factors directly determine whether the enforcement file holds together.

A Hong Kong award that is defective in its procedural foundation cannot be cured at the enforcement stage. The governing instrument gives Mainland courts a set of grounds on which to refuse recognition; several of those grounds turn on the regularity of the arbitral process, not on the merits of the dispute.

How does interim-measures protection work before and during enforcement?

A common question from award creditors is whether they can take protective steps against asset dissipation before the enforcement application is formally lodged. The answer is yes, within defined limits.

Since 1 October 2019, parties to Hong Kong-seated arbitrations may apply to Mainland courts for interim measures in support of those arbitrations. This mechanism – established by the Arrangement for Mutual Assistance in Court-ordered Interim Measures in Aid of Arbitral Proceedings by the Courts of the Mainland and of the Hong Kong Special Administrative Region – operates before an award is made and during the arbitral process. It does not extend to post-award enforcement directly, but it is relevant to the overall strategy.

Where a party suspects that assets are being moved during the period between the award and the enforcement application, Hong Kong court remedies may run in parallel. The HKIAC Rules provide a mechanism for emergency relief, with an emergency arbitrator ordinarily completing proceedings within 14 days of file transmission. Post-award, the Hong Kong courts have their own jurisdiction to grant freezing orders, and those orders interact with the enforcement strategy in ways that require careful sequencing.

The interaction between interim measures and the enforcement route is one of the areas where the timing of each step matters most. Acting in the wrong order – for example, applying to a Mainland court before the Hong Kong court record is complete – can prejudice the enforcement application itself.

What is the step-by-step sequence for the enforcement application?

The enforcement sequence has a defined internal order. Departing from it is a leading cause of rejected or delayed applications.

Step one: confirm the award is final and binding. The Arrangement requires the award to be final – not provisional or interim. If the tribunal has not formally closed proceedings and issued a final award on all claims, the enforcement file cannot be assembled. Under the HKIAC Rules, the closure of proceedings occurs no later than 45 days after the last directed substantive submissions, with the final award ordinarily due within three months of closure.

Step two: obtain a certified copy of the award and the arbitration agreement. The Mainland court will require a certified copy of the award and the underlying arbitration agreement. Certification must meet the standards required by the receiving court. A copy that is merely authenticated for Hong Kong purposes, but not certified in the form the Mainland court expects, is a common documentation failure.

Step three: obtain translation into Simplified Chinese. All documents must be translated. The translation must be accurate and, in most courts, certified. An award with a technical legal structure – multiple claims, separate costs awards, contingent provisions – requires a translation that preserves that structure precisely. A loose or summary translation creates a basis for the debtor to object.

Step four: identify the competent Mainland court. The application is made to the Intermediate People's Court at the place of enforcement. That is ordinarily determined by where the debtor's assets are located, or where the debtor is domiciled. If the debtor has assets in multiple Mainland locations, the creditor must decide where to file. Filing in the wrong court wastes time and requires the application to be re-filed.

Step five: lodge the application and supporting file. The file presented to the Intermediate People's Court must include the certified award, the arbitration agreement, the translation, and any document required under local court rules. The completeness of this file, assembled before filing, determines whether the court accepts the application without requiring supplementation.

Step six: respond to the court process. Mainland courts are required, before recognising and enforcing a foreign or cross-boundary award, to give the debtor an opportunity to raise grounds of objection. The creditor's counsel must be in a position to respond to those objections – typically centring on the grounds specified in the Arrangement – within the court's timetable.

Step seven: execution. Once the court issues its recognition and enforcement order, the creditor moves to execution against specific assets. This step requires identification of the assets in advance – bank accounts, receivables, real property, equity interests in Mainland entities. Asset tracing, if it has not been done, must happen here. For guidance on asset tracing methodology in offshore contexts, see our related guide on post-award asset tracing in the Cayman Islands; the principles of asset identification apply across jurisdictions.

What does the Mainland court assess when reviewing the application?

Mainland courts reviewing an enforcement application under the Arrangement assess a defined list of grounds. These are analogous to – but not identical with – the Article V grounds under the New York Convention. The debtor may raise them; the court may also raise certain grounds of its own motion.

The most frequently invoked grounds in our experience are: that the arbitration agreement was invalid under the law applicable to it; that the party against whom enforcement is sought was not given proper notice of the proceedings or was otherwise unable to present its case; that the award deals with matters outside the scope of the submission to arbitration; and that the composition of the tribunal or the procedure was not in accordance with the agreement of the parties.

A public policy objection is also available. Mainland courts have historically applied public policy narrowly in the commercial arbitration context, but it remains a live ground. An award with an unusual damages structure or one that touches on a sensitive regulatory area may attract a public policy argument that a creditor must be prepared to answer.

Each of these grounds maps back to the procedural record of the arbitration itself. An award that was made on a clean, well-documented procedural record is materially easier to enforce than one where procedural objections were raised during the arbitration and not fully resolved. The enforcement stage is not the time to repair the arbitration record. That record is fixed when the award is issued.

The sequence above describes the standard position. Your matter turns on the documents, the jurisdictions actually engaged, and the order of steps – which is where the route is won or lost. To discuss the specific enforcement file and the Mainland court strategy, write to us at info@lockhartyip.com.

What is the most common mistake, and how does the route avoid it?

In our cross-border practice, the most common mistake is treating enforcement as a downstream task – something to be arranged after the award is issued, by whoever handles Mainland litigation. That approach consistently produces two problems.

The first is a documentation gap. The award creditor discovers, after receiving the award, that the arbitration agreement was not recorded in a form that the Mainland court will accept as a certified document, or that the procedural record contains an untreated objection that the debtor now raises as a ground of refusal. These gaps cannot be closed after the event.

The second is an asset problem. The debtor has had notice of the arbitral proceedings throughout. By the time a creditor who has not done pre-award asset work arrives at the Intermediate People's Court with a valid enforcement order, the assets have moved. Execution becomes nominal – a piece of paper with no substance behind it.

The route that avoids both problems integrates enforcement planning into the arbitration itself, from the drafting of the arbitration clause onward. The clause determines the seat – which must be Hong Kong for the Arrangement to apply – and the institutional rules. On drafting an HKIAC clause, our team has set out the key considerations in a related matter note: Drafting an HKIAC arbitration clause with a Cyprus counterparty. Asset intelligence work runs during the arbitration, not after the award. And the enforcement file is assembled in parallel with the tribunal's deliberations, so that it is complete on the day the award is issued.

A Central Asian trading group came to our desk in late 2024 after a Hong Kong arbitral award against a Mainland counterparty had been rejected at the Intermediate People's Court. The rejection turned on a deficiency in the certified copy of the arbitration agreement – a document issue, not a merits issue. We reviewed the procedural record, identified the certification route available under the Arrangement, and supported re-filing. The matter proceeded in the second cycle.

Decision checklist before filing the enforcement application

Before the application reaches the Mainland court, a creditor should be able to confirm each of the following.

First, the award is final and binding, not provisional or subject to outstanding procedural steps in the arbitration. Second, the seat of the arbitration was Hong Kong – confirmed by the award text and the institutional record. Third, the arbitration was administered by an institution or, for ad hoc awards, recognised under the 2020 Supplemental Arrangement. Fourth, a certified copy of the award and the arbitration agreement has been obtained in the form the receiving court requires. Fifth, a certified Simplified Chinese translation of all documents is complete and accurate. Sixth, the competent Intermediate People's Court has been identified by reference to the debtor's assets or domicile. Seventh, asset intelligence is sufficient to support execution after the court's order issues. Eighth, any parallel Hong Kong court remedies – freezing orders, asset disclosure orders – have been sequenced so that they do not prejudice the Mainland application.

If an earlier enforcement attempt has stalled or been rejected, a review of the file can identify whether the ground of rejection is curable and whether the creditor retains a viable route. The time limits for re-filing differ from those for a first application, and acting quickly matters. If a previous filing, structure or enforcement attempt produced an adverse or stalled result, a second read can identify the strategic error and the routes still open. To discuss a review of a stalled enforcement file, write to us at info@lockhartyip.com.

Our disputes and arbitration practice covers the full sequence from clause drafting to Mainland court execution. For an overview of the broader practice, see Disputes & Arbitration at Lockhart & Yip.

How does this interact with simultaneous Hong Kong enforcement?

Since the 2020 Supplemental Arrangement, a creditor is no longer required to elect between Mainland and Hong Kong enforcement. Both applications may run simultaneously. In practice, this changes the strategy for creditors whose debtor has assets in both places.

Running concurrent applications increases pressure on the debtor and reduces the scope for asset dissipation by timing. A debtor who knows that enforcement is proceeding only in the Mainland may concentrate assets there and allow Hong Kong holdings to be transferred. Concurrent enforcement closes that window.

The mechanics of a Hong Kong-side enforcement are different. Where the award was made in Hong Kong, the creditor does not need to apply for recognition – the award is directly enforceable in Hong Kong courts as if it were a court judgment, subject to leave of the court. Obtaining that leave and translating it into execution against Hong Kong-situated assets is a separate procedural step that runs in parallel with the Mainland application.

The coordination of both tracks – their timing, the interaction between any freezing orders and the Mainland court process, and the sequencing of execution across both jurisdictions – is the point at which the cross-border complexity is highest. It is also the point at which the practical difference between an integrated enforcement strategy and a piecemeal one is most visible in the outcome.

Related practices

Related practices

• Disputes & Arbitration – cross-border enforcement, arbitration strategy and Mainland recognition proceedings
• Holding Structures – structuring above Hong Kong and Mainland operating entities through offshore centres

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