OECD: Report to G20 leaders on international tax cooperation, G20 leaders’ declaration on Pillar Two

Recent developments on implementation of BEPS minimum standards and Two-Pillar solution

The Organisation for Economic Cooperation and Development (OECD) published the OECD Secretary-General Tax Report to G20 Leaders (G20 South Africa, November 2025), outlining recent developments in international tax cooperation, including the OECD’s support of G20 priorities such as implementation of the base erosion and profit shifting (BEPS) minimum standards, the Two-Pillar solution to address the tax challenges arising from the digitalization of the economy, and tax transparency.

The report also provided an update on the G7's proposed “side-by-side” international tax arrangement, stating that technical work on design and impact of the side-by-side proposal is being undertaken by the Inclusive Framework (IF) to explore the evidence base for the issues raised, and to find common ground, with further meetings scheduled for the coming months.

The G20 also released its Leaders' Declaration following the G20 South Africa Summit, which includes a commitment to continue to engage constructively to address concerns regarding Pillar Two global minimum taxes, with the shared goal of finding a balanced and practical solution that is acceptable for all.

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OECD: Report to G20 leaders on international tax cooperation, G20 leaders’ declaration on Pillar Two

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