The Brazilian Association of Financial Law (ABDF), the official representative of the International Fiscal Association (IFA) in Brazil, will hold the IX International Tax Law Congress of Rio de Janeiro on 12–14 August 2026, at the Sheraton Rio Hotel & Resort — one of the most traditional gatherings in Brazil's tax law sector.
Under the theme "Tax Reform in Motion: First Challenges of Implementation" this edition pays tribute to Gustavo Brigagão, President Emeritus of ABDF, and is chaired by Betina Treiger Grupenmacher, the first woman to preside over the association in its 76-year history.
Programme highlights
• Keynote address by Minister André Mendonça
• Special Panel with the Acting Governor of Rio de Janeiro, Ricardo Couto de Castro
• Women of IFA Network (WIN) Plenary and Young IFA/ABDF Jovem Panel
• Simultaneous panels throughout the three days, featuring leading names in national and international tax law
International dialogue
The Congress will host discussions on Pillar Two, cooperation between the OECD and the UN, and a preview of the topics to be addressed at the IFA World Congress in Melbourne, with the participation of leading international specialists.
Emerging topics
Among the themes under discussion are Artificial Intelligence in Tax Law, Split Payment, taxation in an era of mobility, and the challenges of international experience with MAPs, APAs, and BAPAs.
Hybrid format
The event will be held in person, with online broadcast for those unable to attend in Rio de Janeiro. All registrants will have access to the platform for up to one year after the event. Registrants in the hybrid category will also have exclusive access to the closing party, at the Gávea Golf Club.
A broad institutional network
The Congress brings together a wide range of leading institutions in Brazilian Tax Law, including organizations dedicated to female leadership in the field, uniting public advocacy, private practice, academia, and the judiciary in a single space.
Registration
12–14 August | Sheraton Rio Hotel & Resort
Hybrid event — in person or online
congresso2026.abdf.com.br
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