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Special Expat Tax Regime (BNI/BRI) – Belgium

Belgium's Special Tax Regime for Inbound Taxpayers (BNI) and Researchers (BRI) provides significant tax relief for qualifying expatriates. Enhanced in 2025 to increase competitiveness. Allows employer to reimburse expat costs tax-free, reducing effective tax burden substantially.

Special Expat Tax Regime (BNI/BRI)

Belgium's Special Tax Regime for Inbound Taxpayers (BNI) and Researchers (BRI) provides significant tax relief for qualifying expatriates. Enhanced in 2025 to increase competitiveness. Allows employer to reimburse expat costs tax-free, reducing effective tax burden substantially.

2025 Enhancements (Retroactive from Jan 1)

Increased Allowance35% tax-free

Employer can pay up to 35% of gross salary tax-free (increased from 30%). No longer capped at €90,000 - cap completely removed. For €200,000 salary: €70,000 tax-free. Significant savings for high earners.

Lower Salary Threshold€70,000 minimum

Minimum salary reduced from €75,000 to €70,000 (BNI only). Makes regime accessible to more expats. Researchers (BRI) have no minimum salary requirement.

Retroactive ApplicationFrom January 1, 2025

Changes apply retroactively. Late applications allowed within 3 months of law publication. Expats hired January-April 2025 between €70k-€75k can apply retroactively.

Eligibility Requirements

No Belgian Tax ResidencyPast 60 months

Must not have been Belgian tax resident in 60 months before starting Belgian employment. Whether resident or non-resident doesn't matter - just must prove 5 years absence.

Residence Distance> 150 km from border

Previous residence must be more than 150 kilometers from Belgian border. Prevents abuse by nearby residents.

Recruitment TypeDirect or seconded

BNI: employees and directors recruited from abroad or seconded within group. BRI: researchers only (employees, not directors). Must be hired from outside Belgium.

Application TimingWithin 3 months

Must apply to FPS Finance within 3 months of employment start. Late applications forfeit regime. Tax office has 3 months to decide.

Tax Benefits

Tax-Free Cost ReimbursementUp to 35% salary

Employer pays 35% of gross salary as 'cost of expatriation' allowance. Completely tax-free. No receipts required (flat-rate). On top of regular salary. Example: €100k salary + €35k tax-free = €135k total.

Additional Specific CostsBeyond 35%

Employer can reimburse additional costs: moving expenses, installation costs (max €1,500), international school fees. These are extra, on top of 35% allowance. Must have receipts for specific costs.

Social Security ComplexityMismatch with tax

Important: Social security authorities only exempt first 30% (not 35%). Extra 5% is tax-free but subject to social contributions. Dual calculation needed. Government working to align rules.

Duration and Transferability

Initial Period5 years

Regime valid for 5 years from employment start. Automatically applied each year if conditions met. Salary threshold must be maintained throughout.

ExtensionAdditional 3 years

Can be extended for 3 more years (total 8 years). Must reapply for extension. All conditions must still be met.

Portable Between EmployersIndividual-centric

New regime is individual-centric, not company-centric. Can continue with new Belgian employer if all conditions met. More flexible than old regime.

Loss of RegimeIf conditions fail

Failing salary threshold or other conditions terminates regime permanently. Cannot reapply unless prove another 5 years outside Belgium. Take care to maintain requirements.

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