Co-Chair
Annabelle
Bailleul-Mirabaud
Co-Chair
Fernando Tonanni
Taxes Committee
The Taxes Committee encourages interface between international tax specialists and promotes the building of networks among tax lawyers worldwide to assist them in better serving the interests of their clients. The committee is divided informally into four practice group areas: Income Taxes, Other Taxes, Tax Litigation and Employee Benefits.
Members are encouraged to contribute to the committee newsletter which is published two to three times per year and to present papers at committee conferences and seminars. The committee also offers tax executives a forum, in its Tax Executives group, to exchange expertise and skills with their colleagues in industry on topics of special interest.
Forthcoming conferences and webinars View All Conferences
International tax dispute resolution: key items to consider when determining strategy and forum
12 May 2026 1500 - 1630 BST
Webinar
18th IBA/ABA Annual US and Latin American Tax Practice Trends Conference
10 Jun - 12 Jun 2026
São Paulo , Brazil
IBA Annual Conference Copenhagen 2026
04 Oct - 09 Oct 2026
Copenhagen , Denmark
The New Era of Taxation
11 Nov - 13 Nov 2026
Washington DC , USA
Tax developments by jurisdiction
The Taxes Committee has published its annual update on tax developments by jurisdiction for 2025. Find out more here
Public consultations
The IBA Taxes Committee regularly submit responses to public consultations on international tax law. We wish to express our gratitude to the committee members that have put together these focused and high-quality contributions on complex topics within a very tight time frame. The contributions highlight fundamental issues and challenges created by the respective proposals, and provide suggestions for how to address those.
Our most recent responses can be found below:
Digital content
Webinars
Tax trends in Asia: regional tax updates and perspectives on global developments
The OECD’s two pillars, which address the tax challenges arising from the digitalisation of the economy, continue to drive tax changes on a global scale. In tandem, local tax laws and the economic environment are also rapidly evolving in many Asian jurisdictions. These are critical considerations for businesses and investments into Asia.
This webinar discusses and provides tax law updates on these salient topics, not only from the taxpayer’s perspective, but also from the tax authorities’ position.
Watch webinarPublications
Data centres: the good, the bad and the ugly [Taxes Committee]
This discussion at the IBA Annual Conference Toronto 2025 looked at the explosive growth of global data generation, examining how rising AI workloads, hyperscaler expansion and power scarcity are reshaping the fundamentals of site selection, permitting, energy strategy and infrastructure planning.
Released on Feb 27, 2026
The evolution of the tax adviser’s role in Mexico within an increasingly demanding fiscal and judicial environment
This article analyses the transformation of the tax adviser’s role in Mexico within a context characterised by intensified tax enforcement, technological oversight, judicial reform and evolving client expectations. It argues that the profession has evolved from being a predominantly technical function into a strategic, preventive, interdisciplinary and ethical practice, focused on risk management and legal certainty.
Released on Feb 27, 2026
To move or not to move, taxation is the question
This panel at the IBA Annual Conference in Toronto explored the tax implications of changing residency and how tax policy, politics and personal priorities drive mobility for internationally active families and entrepreneurs. The discussion covered, among other things, exit taxes and dual residency, permanent establishment (PE), controlled foreign corporation (CFC) regimes, new tax law developments and family and succession law issues. Against a backdrop of political volatility and regulatory change, the panel distilled practical guidance drawn from recent cases and experiences in the US, Mexico, France, Spain and Israel.
Released on Feb 24, 2026
Structuring investments in the Canadian resource industry
This panel session at the IBA Annual Conference in Toronto included a discussion of considerations for inbound investments into Canadian resource companies, challenges associated with Canada’s foreign affiliate dumping regime, repatriation strategies and Canada’s unique flow-through share financing regime for early stage capital.
Released on Feb 24, 2026
Join us on LinkedIn
If you are a member of the Taxes Committee, for additional networking opportunities, programs, interviews with fellow members and tips all exclusive to members, join our LinkedIn page at: https://www.linkedin.com/groups/7438658/.