HomeCross-Border Enforcement in Belgium: Courts, Arbitration and Treaty Frameworks

Cross-Border Enforcement in Belgium: Courts, Arbitration and Treaty Frameworks

For a business operating between two legal systems, enforcing a hard-won judgment or arbitral award sits at the intersection of procedural rules, treaty obligations, and judicial discretion. Belgium occupies a singular position in that intersection. It is simultaneously a seat of major EU institutions, home to one of continental Europe's more arbitration-friendly legislative regimes. Additionally. A jurisdiction whose courts must reconcile domestic civil procedure with an increasingly dense layer of EU and multilateral treaty obligations. The result is a system that rewards careful preparation and penalises procedural shortcuts.

Cross-border enforcement in Belgium operates through two primary channels: judicial recognition of foreign court judgments and the exequatur (enforcement order issued by a Belgian court confirming the enforceability of a foreign decision or award) procedure for foreign arbitral awards. Belgian arbitration legislation is consolidated within the judicial code and aligns closely with the UNCITRAL Model Law, while EU procedural rules govern enforcement of most intra-EU civil and commercial judgments. The New York Convention on the Recognition and Enforcement of Foreign Arbitral Awards applies directly in Belgium and is the primary treaty instrument for award enforcement from non-EU jurisdictions.

This analysis examines the doctrinal architecture of enforcement in Belgium, the gap between statutory provisions and court practice. The strategic options available to international creditors. Additionally, the outlook for practitioners advising clients across European and global markets.

Doctrinal foundations: the Belgian enforcement system in context

Belgium's approach to cross-border enforcement reflects a civil law tradition that values legal certainty and procedural order. The foundations rest on three overlapping bodies of law: domestic civil procedure rules, EU procedural legislation, and treaty obligations.

Under Belgian civil procedure rules, the recognition of a foreign court judgment requires a court to verify a defined set of conditions. These include the jurisdictional competence of the originating court, the absence of irreconcilable decisions in Belgium, respect for the defendant's procedural rights, and compatibility with Belgian public policy. Crucially, Belgian courts do not conduct a fresh review of the merits. The originating court's factual and legal findings are accepted as given. This interdiction de révision au fond (prohibition on reviewing the substance of a foreign decision) is a bedrock principle of Belgian private international law.

The public policy exception, however, is not purely theoretical. Belgian courts have invoked it to refuse enforcement where the foreign proceedings involved clear violations of the right to a fair hearing. They have also applied it where enforcement would contradict fundamental principles of Belgian contract or family law. The exception is interpreted narrowly, but its application is not mechanical. Practitioners advising on Belgian enforcement must therefore assess not only formal compliance but also whether the substance of the foreign decision might conflict with principles Belgian courts treat as non-derogable.

For judgments originating in EU member states, the EU civil procedure rules largely displace the domestic regime. Under those rules, a judgment given in one member state is in principle recognised in all others without any special procedure. Enforcement requires a limited declaration of enforceability in some categories of proceedings, though more recent EU procedural instruments have moved toward direct enforcement for certain types of decisions. Belgian courts applying EU procedural rules operate within a framework where refusal grounds are narrowly constrained. The interaction between the EU regime and domestic Belgian procedure creates occasional friction, particularly where older bilateral treaties between Belgium and non-EU states overlap with the EU instruments.

Belgium is also party to a number of bilateral enforcement treaties with non-EU states. These treaties typically define reciprocal conditions for recognition. Where no treaty applies, Belgian courts revert to the domestic statutory conditions. The layered nature of the system – domestic statute, bilateral treaty, EU regulation, multilateral convention – means that identifying the correct legal basis is itself a substantive analytical task before enforcement proceedings are filed.

Arbitration in Belgium: the seat, the tribunal, and the award

Belgium has long cultivated its reputation as an arbitration-friendly seat. The Belgian Centre for Arbitration and Mediation (CEPANI) administers a significant caseload of international commercial disputes. Brussels is also a regular venue for ICC Rules proceedings, reflecting the city's broader role as a hub for international commerce and institutional activity.

Belgian arbitration legislation adopts core UNCITRAL principles. It guarantees party autonomy in procedural design, limits court intervention to defined supervisory functions, and provides clear grounds for both setting aside awards domestically and enforcing foreign awards. The seat of arbitration matters considerably under this regime. Where Belgium is designated as the seat, the Belgian courts have supervisory jurisdiction over the arbitral tribunal during the proceedings and exclusive jurisdiction over any annulment application once the award is issued.

A distinctive feature of Belgian arbitration law is its treatment of the annulment waiver. Foreign parties with no domicile or establishment in Belgium may contractually waive the right to seek annulment of an award issued in Belgium. This provision is unusual by international standards and was introduced to make Belgium more attractive as a neutral seat for purely international disputes. In practice, parties rarely invoke it, but its availability signals a legislative philosophy that prioritises finality and party autonomy.

For the enforcement of foreign arbitral awards – those issued at a seat outside Belgium – the New York Convention is the primary instrument. Belgium ratified the Convention without significant reservations, and the domestic courts give it direct effect. The enforcing party must present the original or certified copy of the award and the arbitration agreement. The opposing party may resist enforcement on the grounds listed in the Convention: incapacity, invalid agreement, procedural irregularity, excess of mandate by the arbitral tribunal, or incompatibility with Belgian public policy.

Belgian courts have developed a consistent position that the public policy ground in the New York Convention context is international public policy, not domestic public policy. The threshold for invoking international public policy is considerably higher. A foreign award will not be refused enforcement merely because it reaches a result different from what a Belgian court would have reached on the same facts. The award must conflict with a principle so fundamental that enforcement would be genuinely intolerable in the Belgian legal order.

One area of genuine doctrinal tension concerns awards that address EU competition law issues. Belgian courts have on occasion examined whether an award correctly applied mandatory EU rules, treating compliance with those rules as a component of international public policy. This approach creates an indirect form of merits review through the public policy door – a gap between the formal prohibition on re-examining the substance and the practical effect of scrutinising EU law application.

For a practical overview of how enforcement proceedings are structured and what documentation is required. The firm's dedicated page on litigation and arbitration in Belgium provides step-by-step guidance on initiating the exequatur process and managing parallel proceedings.

The gap between statute and practice: where the difficulties arise

The statutory regime in Belgium is, on paper, well-organised and pro-enforcement. In practice, several recurrent issues create delays and uncertainty for international creditors and award holders.

The first issue is documentary compliance. Belgian courts applying the New York Convention require that the award and arbitration agreement be presented in their authentic form. Where those documents are in a language other than French, Dutch, or German, certified translations must accompany them. Missing or defective translations are a frequent cause of procedural delay. This is not a substantive objection to enforcement, but it can consume weeks or months before the merits of the exequatur application are reached.

The second issue concerns service of process on respondents located outside Belgium. The exequatur application must be notified to the opposing party, and international service through the Hague Service Convention channels can be slow. Respondents with assets in Belgium but registered addresses in non-cooperative jurisdictions may exploit procedural delays in service to defer enforcement while concealing or transferring assets.

Asset tracing is accordingly a critical pre-enforcement step. Belgian civil procedure rules provide for provisional attachment orders – saisie conservatoire (conservatory seizure of assets pending enforcement) – which can be obtained before or simultaneously with the exequatur application. The conditions for a conservatory seizure are urgency and the apparent validity of the underlying claim. Courts assess these conditions summarily. An experienced practitioner can in many cases obtain provisional protection over Belgian-sited assets within days of filing, substantially reducing the risk of dissipation during the enforcement process.

The third recurrent difficulty is the interplay between Belgian enforcement proceedings and insolvency proceedings opened in another jurisdiction. Where a Belgian debtor is subject to foreign insolvency proceedings, questions arise about whether Belgian enforcement can continue. EU insolvency rules address this for intra-EU situations, generally granting recognition to the foreign insolvency proceedings and constraining individual enforcement actions. For non-EU insolvencies, Belgian courts have more discretion. They must weigh the foreign insolvency administrator's rights against the individual creditor's entitlement to enforce. The outcome is not always predictable and depends heavily on the specific treaty framework, if any, between Belgium and the insolvency state.

A fourth area concerns investment treaty awards. Belgium is party to a number of bilateral investment treaties and is a member of the Energy Charter Treaty. Investment arbitration awards rendered under these instruments present specific enforcement challenges. The respondent in such proceedings is typically a state. Enforcing against state assets requires navigating sovereign immunity rules, which operate separately from the New York Convention framework. Belgian courts recognise the distinction between the state's immunity from jurisdiction and its immunity from execution. The latter is broader and more resistant to waiver. Creditors holding investment treaty awards must identify Belgian state assets that are not protected by immunity – a category that excludes assets dedicated to sovereign or governmental purposes.

Practitioners also advise clients on the strategic interaction between enforcement in Belgium and enforcement in parallel jurisdictions. A creditor holding an award against a party with assets in both Belgium and another EU state may pursue concurrent enforcement actions. EU procedural rules do not create a priority system between concurrent national enforcement proceedings. Coordination between counsel in multiple jurisdictions is therefore essential to avoid conflicting orders and to maximise recovery.

Cross-border implications for European clients: strategic positioning

Belgium's position within the EU single market gives it particular strategic relevance for enforcement. Brussels is the operational headquarters of a large number of multinational corporations and EU-level institutions. Assets are frequently located in Belgium even where the debtor is incorporated elsewhere. For a creditor with a judgment or award against a party with Belgian-sited assets, initiating enforcement in Belgium can be a more efficient path than pursuing enforcement in the debtor's home jurisdiction.

The EU framework for mutual recognition of judgments means that a judgment obtained in one member state can be enforced in Belgium with a streamlined procedure. Conversely, a Belgian judgment can be enforced across the EU without re-litigation. This creates a practical option for creditors: obtain judgment in the EU member state where proceedings are procedurally most favourable, then extend enforcement to Belgium where assets are held. The choice of initial forum thus has direct consequences for subsequent enforcement strategy across Europe.

For parties who have agreed to arbitration, the choice of seat interacts with enforcement strategy in a different way. Designating Belgium as the seat of arbitration gives the creditor a domestic award, enforceable under Belgian procedural rules without the additional layer of the New York Convention procedure. Where the counterparty has significant assets in Belgium, a Belgian seat may therefore be preferable to a seat in another jurisdiction even if the other jurisdiction has equally strong arbitration legislation.

The interaction with EU state aid rules and competition law deserves particular attention for transactions involving Belgian public entities or regulated sectors. Awards or judgments that require a Belgian public body to pay amounts that might constitute state aid can face additional scrutiny. The enforcing party must consider whether Belgian courts will defer enforcement pending a state aid assessment. This is an emerging area of tension between EU economic law and the finality principle that underlies both arbitration and enforcement.

Belgium also plays a significant role in enforcement chains involving Portuguese and Iberian market participants. Cross-border disputes between Belgian and Lusophone entities often involve parallel proceedings across jurisdictions, and the coordination between civil law systems is generally more straightforward than enforcement across the civil/common law divide. For a comparative perspective on enforcement in the Iberian context, our analysis of cross-border enforcement in Portugal identifies analogous doctrinal challenges and points of divergence that practitioners handling multilateral disputes will find relevant.

Strategic advice for European clients seeking to enforce in Belgium typically covers five dimensions: identifying the correct legal basis (EU regulation, bilateral treaty, domestic statute. Alternatively. New York Convention). assembling documentary evidence in a form that Belgian courts will accept without procedural objection. assessing the public policy risk before filing. identifying and attaching Belgian-sited assets at the earliest possible stage. and coordinating with counsel in the debtor's home jurisdiction to manage parallel proceedings.

To discuss how cross-border enforcement strategy applies to your specific situation in Belgium, contact us at info@ferrazwhitmore.com.

The Ferraz & Whitmore perspective: two traditions, one enforcement strategy

Belgium's enforcement system sits squarely in the civil law tradition. Its procedural architecture – the prohibition on merits review, the narrow public policy exception, the doctrinal framework for conservatory seizures – reflects principles shared across French, Dutch, and Luxembourg legal systems. A practitioner trained exclusively in common law systems will encounter structural differences that can affect both strategy and documentation.

The most significant difference for common law-trained clients concerns the role of precedent. Belgian courts do not apply a doctrine of binding precedent in the common law sense. Decisions of the Cour de cassation (Court of Cassation of Belgium, the highest civil court) carry considerable persuasive weight, and lower courts generally follow its positions. But the absence of strict binding precedent means that lower court decisions on contested issues – such as the scope of international public policy or the conditions for conservatory seizure – can diverge. Litigants must therefore present their arguments on the basis of legislative text and doctrinal analysis, not simply by citing previous outcomes.

A second difference concerns the role of written submissions. Belgian courts in enforcement proceedings rely heavily on written pleadings and documentary evidence. Oral hearings in exequatur applications are typically brief and focused on specific contested points. This contrasts with English or American enforcement practice, where oral argument plays a more substantial role. Preparing a compelling written dossier is accordingly the primary investment for any enforcement applicant in Belgium.

The dual civil/common law perspective that Ferraz & Whitmore brings to cross-border enforcement matters is directly relevant here. Clients who obtained their award or judgment in a common law jurisdiction. under ICC Rules proceedings seated in London. Alternatively. Under LCIA rules. Alternatively, before English courts. must translate that result into a form that satisfies Belgian procedural requirements. This involves not just translation of documents but translation of legal concepts: the notion of "costs orders" in English proceedings does not map precisely onto Belgian procedural cost regimes. Additionally. Care must be taken when presenting such awards for exequatur.

Disputes involving Belgian parties that have cross-border implications for corporate governance or shareholder rights benefit from coordinated strategy across practice areas. Our analysis of corporate disputes in Belgium covers the interaction between enforcement proceedings and parallel corporate law remedies available to creditors and shareholders in Belgian companies.

The doctrinal evolution of Belgian enforcement law over the past decade has moved consistently in a pro-creditor, pro-enforcement direction. The courts have tightened the conditions for refusing enforcement on public policy grounds, reinforced the prohibition on merits review, and streamlined the documentation requirements for New York Convention applications. That trajectory is unlikely to reverse. If anything, continued EU legislative activity in the area of civil procedure is likely to further consolidate enforcement mechanisms across the single market, with Belgium benefiting from its position as an enforcement hub.

Outlook: regulatory trajectory and what to monitor

Several developments in EU and Belgian law are worth monitoring for their enforcement implications in the coming years.

First, the continued development of EU civil procedure instruments is gradually expanding the categories of decisions that benefit from automatic recognition across member states. Instruments covering small claims, payment orders, and asset freezing already operate on a near-automatic recognition basis. Further expansion of this model to a broader category of commercial judgments is under consideration. Belgian courts will be required to apply these instruments directly, further reducing the scope of domestic procedural rules in intra-EU enforcement.

Second, the ongoing debate about the relationship between investment arbitration and EU law has direct consequences for enforcement in Belgium. A series of EU Court of Justice decisions has cast doubt on the enforceability of intra-EU investment treaty awards within the EU legal order. Belgian courts have begun grappling with this question. An award rendered in an intra-EU investment arbitration. where both the investor and the respondent state are EU members. may face additional scrutiny in Belgium on the basis that the arbitration agreement itself is incompatible with EU law. This is a contested and rapidly developing area. Parties with intra-EU investment awards should obtain current legal advice before initiating enforcement in Belgium.

Third, the digitalisation of Belgian court procedures is gradually reducing some of the procedural friction that delays enforcement applications. Electronic filing and digital service of process are being extended to more categories of proceedings. This should, over time, reduce the documentary and logistical delays described above.

Fourth, Belgian courts are increasingly being asked to address enforcement of awards and judgments arising from sanctions-related disputes. The freezing of assets under EU sanctions regimes and enforcement orders can create complex interactions. A creditor who holds an award against a sanctioned party may find that enforcement is blocked not by Belgian procedural rules but by EU sanctions legislation. Conversely, enforcement against assets that have been unfrozen following sanctions removal may face competing claims from other creditors. This intersection of enforcement law and sanctions compliance is an area where specialist advice is essential.

For international clients considering Belgium either as a seat of arbitration, as a jurisdiction for litigation, or as an enforcement destination for foreign awards and judgments, the overall picture remains favourable. The legislative conditions are well-developed, the courts are experienced and reliable, and the EU location provides enforcement reach across the single market. The principal risks are procedural rather than substantive: documentation must be impeccable, asset identification must precede filing, and public policy arguments must be anticipated and addressed proactively in the initial application.

Frequently asked questions

Q: How long does it take to enforce a foreign arbitral award in Belgium?

A: The exequatur procedure before a Belgian court of first instance typically takes several months, though contested proceedings can extend considerably longer. The timeline depends on whether the losing party raises grounds for refusal and the complexity of the documentary file submitted to the court.

Q: Does Belgium apply the New York Convention to all foreign arbitral awards?

A: Belgium applies the New York Convention on a broad basis, including to awards from states not party to the Convention in many cases, given its pro-enforcement domestic arbitration legislation. A common misconception is that only awards from other contracting states can be enforced under the Convention; in practice, Belgian courts assess enforceability under both treaty and domestic procedural rules.

Q: Can a foreign court judgment be enforced in Belgium without re-litigating the merits?

A: Yes. Under EU procedural rules applicable to most EU-origin judgments, recognition and enforcement proceed without a full re-examination of the merits. For judgments from outside the EU, Belgian courts conduct a limited review focused on jurisdictional competence, procedural fairness, and public policy compatibility rather than a fresh assessment of the substance.

About Ferraz & Whitmore

Ferraz & Whitmore is an international law firm based in Lisbon, advising business clients across 46 jurisdictions. Our team combines Portuguese civil law expertise with English common law tradition to deliver cross-border legal solutions in arbitration, enforcement, and international dispute resolution. We advise multinational corporations, institutional investors, and in-house legal teams on enforcing foreign judgments and arbitral awards in Belgium and across Europe. Engaging a lawyer in Belgium with cross-border enforcement experience requires familiarity with both EU procedural instruments and domestic Belgian civil procedure – a combination our team brings to every mandate. As an international law firm in Belgium and across European civil law jurisdictions, Ferraz & Whitmore provides integrated advice that covers documentation strategy, asset preservation, and parallel proceedings management. The firm's litigation and arbitration practice covers enforcement matters before Belgian courts, ICC proceedings, and UNCITRAL-based arbitrations seated across Europe. To discuss how our cross-border enforcement practice can support your matter in Belgium, contact us at info@ferrazwhitmore.com.

Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. Ferraz & Whitmore assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@ferrazwhitmore.com.