This guide focuses on Austria’s GIR filing architecture as published by the Austrian Federal Ministry of Finance (BMF): access to FinanzOnline, filing channels, the Austrian national XML overlay on top of the OECD GIR, correction mechanics, and transport/protocol handling for implementation.
On March 31, 2026, Japan enacted its 2026 Tax Reform Package. This includes amendments to the Pillar Two regime including providing for aspects of the January 2026 Side-by-Side tax package (excluding the Simplified ETR Safe Harbour) and the January 2025 OECD Administrative Guidance.
On March 25, 2026, Australia issued the Taxation (Multinational—Global and Domestic Minimum Tax) Amendment (2026 Measures No. 1) Rules 2026, to amend its Pillar Two rules to incorporate aspects of the OECD Administrative Guidance for DMTT purposes.
On March 25, 2026, Sweden issued a draft law to include new Pillar Two simplification rules including the Side-by-Side Safe Harbour, UPE Safe Harbour, and other additions to Sweden’s top-up tax rules
A guide to South Africa’s current public Pillar Two compliance package: eFiling subscription for Global Minimum Tax, the six‑month information / notification step, the GloBE Information Return (GIR), and the South Africa‑specific XML rules that sit on top of the OECD GIR structure
A practical guide to Hong Kong’s Registration, top-up tax notification, GIR / top-up tax return architecture, and current Hong Kong-specific data-format rules
A practical guide to Germany’s Registration, group head notification and GloBE Information Return (GIR) filing through the BZSt framework
Australia issued the Taxation (Multinational—Global and Domestic Minimum Tax) (Qualified GloBE Taxes) Amendment (Measures No. 1) Determination 2026, on March 20, 2026. This updates Australia’s domestic lists of foreign Qualified IIRs, foreign Qualified Domestic Minimum Top-up Taxes, and jurisdictions with QDMTT Safe Harbour status
On March 24, 2026, Finland gazetted a law amending its Minimum Tax Act to provide for aspects of the January 2026 OECD Side By Side Tax Package and the June 2024 and January 2025 OECD Administrative Guidance.
On March 24, 2026, Belgium issued an updated draft QDMTT Form and XSD Schema.
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