Belgium Extends Pillar 2 Tax Filing Deadlines for Multinationals
Belgium unified QDMTT and RIR filing deadlines to 31 October 2026 for specific fiscal-year cohorts under Pillar 2 tax requirements. The consolidation applies to multinational and large domestic corporate groups and supersedes a prior extension announced in April 2026. Groups must prioritize general representative notifications before submitting QDMTT declarations.