Updated Belgian inpatriate tax regime — New circular letter greenlights retroactive adjustments to employment contracts

International employment taxes

3 April 2026

Updated Belgian inpatriate tax regime — New circular letter greenlights retroactive adjustments to employment contracts

On 1 April 2026, the Belgian tax authorities (BTA) published Circular letter 2026/C/51, providing commentary on the amendments made by the Law of 18 December 2025 to the special tax regime for inpatriate taxpayers (BBIB) and for inpatriate researchers (BBIO). The changes apply to remuneration paid or granted as from 1 January 2025.  Without providing an overly extensive explanation of the special

12 February 2026

Tax bites podcast – International Tax Strategy for 2026: Aligning global tax policy changes with business operations

This podcast covers key points from our 6 February 2026 international tax webinar, including the Side‑by‑Side Package, updates on trade and tariffs, work mobility, and changes to the OECD Commentary. We also discuss expectations for 2026.   If you’re interested in learning more or accessing the full webinar recording, please contact one of the presenters.  Listen here: https://www.pwc.be/en/services/tax-and-legal/tax-bites-podcast-series/episode-62-international-tax-strategy-for-2026-aligning-global-tax-policy-changes-with-business-operations.html About the speakers