The First GloBE Deadline Just Passed — Most Tax Teams Are Still Catching Up

The world's first real test of the OECD's Global Anti-Base Erosion (GloBE) Rules has already happened. Calendar-year multinationals faced their first-ever GloBE Information Return (GIR) deadline on 30 June 2026 — and it didn't go smoothly everywhere. Italy, for one, had to push its own filing deadline back to 1 September 2026 as its tax administration worked through the logistics of a genuinely new compliance regime. Earlier in the year, on 5 January 2026, the OECD released a long-negotiated Side-by-Side safe harbor package giving relief to groups with a U.S. parent, and in April the OECD published a full Implementation Toolkit for tax administrations still building the infrastructure to process it all. Pillar Two, in other words, has stopped being a policy discussion. It is now a live, jurisdiction-by-jurisdiction filing exercise — and the first cycle exposed how much operational detail still needs to be worked out.

That is exactly the gap GloBE Rules Made Easy, by Kuldeep Sharma (Kluwer Law International, ISBN13: 9789403511566), was written to close. Rather than summarising the policy debate, it works through all ten chapters and forty-nine articles of the GloBE Rules directly, alongside the OECD's Commentary and Illustrative Examples, using flowcharts, tables and a jurisdiction-by-jurisdiction implementation review. For anyone who spent the last two quarters translating OECD guidance into an actual return, it functions less as an introduction and more as a working desk reference.

In practice, that makes it useful in a few concrete situations. In-house tax teams preparing their first or second GIR use it to check a specific computation or election against the underlying article, rather than re-reading OECD guidance from scratch. Advisors and tax lawyers supporting multinational clients across several Inclusive Framework jurisdictions use the book's country implementation chapter to track where domestic legislation has already diverged from the model rules. And academics or researchers following the roll-out — including the uneven pace of adoption across the 60-plus jurisdictions that have now enacted some form of GloBE legislation — use it as a stable reference point in a fast-moving area of law.

For law and business libraries building or maintaining a tax law collection, this is a title worth holding as a standing reference rather than a one-off purchase. Pillar Two legislation is still being amended jurisdiction by jurisdiction — Slovakia, Cyprus and Australia all issued domestic changes in the past two months alone — and a collection that supports tax, accounting or international business programmes benefits from a text that explains the model rules themselves, independent of which country's implementation a researcher happens to be looking at that week.

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Q&A

What are the GloBE Rules?
The Global Anti-Base Erosion (GloBE) Rules are the OECD/G20 framework under Pillar Two that imposes a coordinated 15% minimum effective tax rate on large multinational enterprises, applied on a jurisdiction-by-jurisdiction basis.

Who is required to file a GloBE Information Return?
MNE groups within the scope of the GloBE Rules — generally those with annual consolidated revenue above €750 million — operating in jurisdictions that have implemented the rules.

Does GloBE Rules Made Easy cover the OECD's official Commentary and Administrative Guidance?
Yes. It incorporates the OECD's Commentary and Illustrative Examples released through 31 May 2022, alongside a jurisdiction-by-jurisdiction review of implementation.

Who is this book written for?
Tax authorities, tax advisors and lawyers, academics, and in-house tax teams at multinational enterprises working through GloBE implementation and compliance.

Where can I buy GloBE Rules Made Easy?
Directly from CLNZ Books at clnzbooks.com, with worldwide shipping via trusted international courier and payment by card or PayPal.