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Complex tax return in Belgium: who qualifies for 16 October 2026?

Complex tax return in Belgium: who qualifies for 16 October 2026?

by francois@triptiq.be | Sep 7, 2026 | Tips and News

In Belgium, not all taxpayers have the same filing deadline. For assessment year 2026, covering income received in 2025, some individuals can file their return online until 16 October 2026. This extension concerns what is commonly called a complex tax return. The tax...
Company formation in Belgium: why is tax timing strategic?

Company formation in Belgium: why is tax timing strategic?

by francois@triptiq.be | Apr 15, 2026 | Tips and News

Setting up a company in Belgium is more than just a visit to the notary. The moment chosen to incorporate your structure can have a direct impact on your tax burden, your cash flow, and your reporting obligations. In a context where Belgian taxation is evolving...
Non-Resident Taxation in Belgium: Obligations, Pitfalls and Opportunities

Non-Resident Taxation in Belgium: Obligations, Pitfalls and Opportunities

by francois@triptiq.be | Mar 30, 2026 | Tips and News

Working in Brussels while living abroad (France, the Netherlands, Luxembourg, etc.) is common—but Belgian taxation of non-residents (INR) remains one of the most misunderstood topics for expats and cross-border workers. The result: incomplete returns, lost tax...
Personal Income Tax Return in Belgium: The 6 Most Common Errors

Personal Income Tax Return in Belgium: The 6 Most Common Errors

by francois@triptiq.be | Mar 16, 2026 | Tips and News

The Personal Income Tax (PIT) return is often perceived as an administrative formality. In reality, it represents a strategic tax moment. An error can lead to an unexpected tax balance, an audit, or a notice of rectification. Conversely, a correctly structured return...
Belgian Taxation in 2026: What Changes for Individuals and Companies

Belgian Taxation in 2026: What Changes for Individuals and Companies

by francois@triptiq.be | Nov 11, 2025 | Tips and News

With the tax reform planned in Belgium for 2026, both individuals and companies will have to adapt to new provisions: from the taxation of financial capital gains to revised conditions for the dividend regime. Here is a clear overview of the main changes to...
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Recent Posts

  • Complex tax return in Belgium: who qualifies for 16 October 2026?
  • Company formation in Belgium: why is tax timing strategic?
  • Non-Resident Taxation in Belgium: Obligations, Pitfalls and Opportunities
  • Personal Income Tax Return in Belgium: The 6 Most Common Errors
  • Belgian Taxation in 2026: What Changes for Individuals and Companies

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Tax Law International

Tax expert in Brussels - specializing in taxation for expatriates, residents, and companies.

(c) Tax Law International (TBTM srl)

Our Services

  • Personal Income Tax for Residents (IPP)
  • Personal Income Tax for Non-Residents (IPP/INR)
  • Advice for Expatriates and Foreign Residents
  • Company Formation and Financial Plans
  • Tax Advice and Support
  • Tax Procedures: claim, rectification notice

Contact Us

Tax Law International
(TBTM srl)
Avenue des étriers 3
1150 Brussels – Belgium

info@taxlawinternational.be
+32 (0) 473 473 000

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Based in Brussels, our firm assists individuals, expatriates, and companies with all their tax matters: tax declarations, international taxation, company formation, and assistance with tax procedures such as claims and notices of rectification.

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