Effective tax structuring in Belgium requires a precise understanding of both domestic instruments – such as the dividends received deduction and the innovation income deduction – and the evolving EU anti-avoidance framework that governs how those instruments can be used. For international businesses, the risk of misjudging substance requirements, transfer pricing obligations or mandatory disclosure rules under DAC6 is not theoretical: Belgian tax authority FPS Finance applies a robust audit programme, and disputes can escalate to the Court of Cassation. Ferraz & Whitmore advises on the full cycle, from initial structure design and advance rulings through to tax risk assessment and, where necessary, litigation support.
When Businesses Typically Seek This Service
The decision to engage specialist tax counsel in Belgium often follows a missed signal rather than a live crisis. Common triggers include a pending acquisition or disposal where tax due diligence surfaces unexpected exposure, a reorganisation that touches multiple jurisdictions, or a routine audit inquiry that escalates faster than anticipated. Businesses that have grown through cross-border expansion frequently discover that a structure designed several years ago no longer reflects the substance requirements that FPS Finance, and Belgian courts, now apply.
Other situations that prompt a structured review include:
- Establishing or rationalising a holding company in Belgium and stress-testing its eligibility for the dividends received deduction;
- Structuring IP ownership or licensing in a way that qualifies for the innovation income deduction while meeting substance and nexus criteria;
- Planning an exit, merger or demerger with a cross-border element, where exit taxation rules under the Anti-Tax Avoidance Directive (ATAD I) apply;
- Assessing whether a financing arrangement is affected by the ATAD interest limitation rule or hybrid mismatch rules extended by Directive (EU) 2017/952;
- Determining whether a cross-border arrangement carries a DAC6 reportable hallmark under Directive (EU) 2018/822;
- Preparing for a redomiciliation or liquidation with Belgian tax consequences.
If your business recognises one or more of these situations, our team is available to conduct an initial assessment. Please write to info@ferrazwhitmore.com or visit our contacts page.
Legal Instruments and Structural Options
Belgium offers a number of well-established tax regimes that, when applied correctly and with genuine economic substance, can support efficient international structures. The dividends received deduction allows qualifying Belgian companies to reduce the taxable base on dividends received from subsidiaries, subject to conditions that go beyond a simple ownership threshold – the anti-abuse scrutiny applied by FPS Finance to this regime has intensified in line with ATAD's general anti-abuse rule (GAAR). The innovation income deduction provides relief on qualifying income derived from patents and other protected IP, but the nexus approach means that outsourced R&D activity must be carefully managed.
On the financing side, the interaction between Belgian domestic rules on interest deductibility and the ATAD interest limitation rule requires modelling at the group level, not merely the Belgian entity level. Hybrid mismatch arrangements – instruments or entities treated differently across jurisdictions – carry disclosure and disallowance risks that have expanded since the rules introduced by Directive (EU) 2017/952 were implemented.
Withholding tax on dividends, interest and royalties paid to non-residents is a recurring structural consideration. The applicable rate and available exemptions depend on the relevant double tax treaty or EU directive, and the beneficial ownership analysis that FPS Finance applies when exemptions are claimed has become more searching. A structure that worked under a previous treaty position may not survive a renegotiated arrangement or a change in the factual substance of the recipient entity.
Substance: The Central Risk in Belgian Tax Planning
Substance is not a single concept in Belgian tax law – it operates at several levels simultaneously. For holding company structures, the question is whether the Belgian entity genuinely manages and controls its investments. For IP structures, it is whether the qualifying development work was actually performed, or directed, from Belgium. For financing vehicles, it is whether the entity has the capacity to bear the economic risk of the loan.
The Belgian GAAR – applied in the context of the ATAD framework – allows FPS Finance to disregard or recharacterise arrangements that lack economic reality or that are put in place primarily to obtain a tax advantage contrary to the purpose of the applicable provision. Courts, including ultimately the Court of Cassation, have addressed the interaction between the domestic GAAR and treaty protections in a series of decisions that practitioners must take into account when advising on new structures.
Ferraz & Whitmore's approach to substance is diagnostic before it is structural: we assess the existing facts against the applicable legal tests before recommending any changes, rather than layering nominal substance requirements on top of an arrangement that may need more fundamental reconsideration. For an overview of the broader Belgian tax landscape, including the general compliance framework, see our Belgian tax law overview.
Advance Rulings: Obtaining Certainty Before You Commit
Belgium's Ruling Commission (Service des Décisions Anticipées / Dienst Voorafgaande Beslissingen, SDA/DVB) provides one of the more accessible advance ruling systems in the EU. An advance ruling gives the applicant a binding FPS Finance position on the tax treatment of a planned transaction or structure before it is executed, reducing the risk of a later challenge on the same facts.
The process involves submitting a detailed factual description and legal analysis. The Ruling Commission may accept, reject or condition the ruling, and the resulting decision is binding for a defined period unless the facts materially change. Rulings are not a panacea: they bind FPS Finance, not the courts, and a ruling obtained on an incomplete or inaccurate factual basis provides less protection than it may appear to. Preparation of a well-constructed ruling request is therefore as important as the ruling itself.
For a detailed guide to the procedure, timelines and practical considerations, see our dedicated resource on advance tax rulings in Belgium.
DAC6 and Mandatory Disclosure: The Cross-Border Compliance Layer
Directive (EU) 2018/822 (DAC6) introduced a mandatory disclosure regime for cross-border arrangements that meet one or more specified hallmarks. The obligation to report may fall on the intermediary (such as an adviser or bank) or, in certain circumstances, directly on the taxpayer. National penalty regimes for non-disclosure differ across EU member states, and the Belgian implementation carries its own consequences for failures to report on time.
DAC6 affects a broad range of common transactions, including group financing, IP transfers, business reorganisations and structures involving treaty benefits. The assessment of whether a hallmark is triggered is often non-obvious, particularly for hallmarks that require a main benefit test. Building a DAC6 review into the early stages of transaction planning – rather than as a post-execution checklist item – materially reduces the risk of inadvertent non-compliance.
Tax Due Diligence and the Tax Control Framework
For acquisitions in Belgium, tax due diligence covers not only historic filing positions and open assessments but also the structural risks that will survive the closing: transfer pricing documentation, the basis on which existing regimes (such as the dividends received deduction) have been claimed, and any undisclosed or pending arrangements with FPS Finance. Deficiencies identified during due diligence inform both price negotiations and post-closing restructuring priorities.
Beyond transaction contexts, businesses with significant Belgian operations increasingly invest in a tax control framework – a documented governance structure that maps tax risks, assigns ownership and provides evidence of good-faith compliance management. A credible tax control framework can influence how FPS Finance approaches an audit and is a component of horizontal monitoring programmes in a number of EU jurisdictions. It does not eliminate audit risk, but it changes the character of the interaction with the authority.
Transfer pricing documentation is a separate obligation for groups operating across borders. Belgian rules implement the OECD guidelines on master file and local file documentation, and FPS Finance has the capacity to conduct detailed transfer pricing audits, including comparability analyses and examinations of intragroup service charges and IP royalties.
If your business is planning an acquisition or would benefit from a transfer pricing or tax control framework review, we would be glad to discuss the scope of work. Please contact us at info@ferrazwhitmore.com.
The Belgian Dispute Path: From Administrative Appeal to the Court of Cassation
When FPS Finance raises an assessment with which a taxpayer disagrees, the formal dispute process begins with an administrative appeal (bezwaarschrift / réclamation) submitted to the competent FPS Finance office. This stage is not merely procedural: it is the opportunity to introduce factual arguments, supporting documentation and legal analysis before the matter enters the judiciary. The outcome of the administrative phase shapes the scope of subsequent court proceedings.
If the administrative appeal does not resolve the matter, the taxpayer may bring proceedings before the tax chamber of the court of first instance. An unfavourable decision can be appealed to the court of appeal, and a further cassation appeal on points of law lies to the Court of Cassation. The Court of Cassation does not rehear the facts; it reviews whether the lower court correctly applied the law, which means that the legal framing of the case at first instance has lasting consequences.
Our tax disputes practice in Belgium covers all stages of this path. For more information on litigation and dispute resolution, see our Belgian tax disputes service page.
Corporate Procedures with Tax Consequences: Reorganisations, Redomiciliation and Liquidation
Tax considerations are not a separate work stream in corporate transactions – they are embedded in the mechanics of the transaction itself. A cross-border merger or demerger will engage Belgian rules on tax-neutral reorganisations, which apply conditions that, if not met, can result in an immediate crystallisation of latent gains. Redomiciliation – whether into or out of Belgium – triggers an analysis of exit taxation under ATAD and, where relevant, the treaty network.
Liquidation of a Belgian entity requires attention to the tax treatment of the liquidation bonus paid to shareholders, the recovery of previously claimed deductions and the treatment of any loss carry-forwards. The sequence and timing of steps in a liquidation can affect the quantum of the tax cost and, in a group context, may need to be co-ordinated with equivalent procedures in other jurisdictions.
Our corporate and tax teams work jointly on these procedures. For the corporate law dimension of Belgian entities and transactions, see our Belgian corporate law service page.
Self-Assessment: Questions to Consider Before Proceeding
Before engaging with external counsel or making a structural decision, the following questions can help a business identify where its most significant exposures lie:
- Does the Belgian entity have genuine substance – management presence, qualified staff, decision-making authority – commensurate with the functions attributed to it?
- Has the basis for claiming the dividends received deduction or the innovation income deduction been reviewed in light of recent FPS Finance guidance or court decisions?
- Are withholding tax exemptions applied to outbound payments supported by an up-to-date beneficial ownership analysis?
- Has each cross-border arrangement been assessed for DAC6 hallmarks, and have any reporting obligations been met on time?
- Is transfer pricing documentation current and consistent with the actual economic functions performed by each group entity?
- Has the business obtained or considered seeking an advance ruling for any material planned transaction?
- Is there a documented tax control framework that would demonstrate good-faith compliance management to FPS Finance?
If one or more of these questions prompt uncertainty, a structured tax risk review may be warranted. Ferraz & Whitmore is available to assist. Please reach out at info@ferrazwhitmore.com or through our contacts page to discuss how we can help.
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.