VIII International Congress On Tax Law of Rio De Janeiro

Between August 26 and 28, 2025, the Brazilian Association of Financial Law (ABDF) hosted the VIII International Congress on Tax Law of Rio de Janeiro – ABDF 2025 at the Sheraton Rio Hotel & Resort. Recognized as one of the most important tax law events in Brazil, the congress featured a hybrid format with live streaming, allowing broad participation from legal professionals, academics, and tax experts.

The opening ceremony included representatives from leading institutions dedicated to tax law studies and featured a tribute to Prof. Paulo de Barros Carvalho, Vice President of ABDF and a prominent authority in Brazilian Tax Law.

The congress program comprised 33 panels and plenary sessions, bringing together national and international specialists to discuss the challenges and opportunities of tax reform, administrative and judicial litigation, the roles of the STF and STJ, and the impacts of the IBS and CBS, as well as emerging topics such as sustainability, digital transformation, innovation, and fiscal geopolitics.

Special initiatives included the WIN Plenary, highlighting women’s contributions to tax reform debates, and the ABDF Young Panel, offering fresh perspectives on the future of judicial tax litigation and new sanctions and presumptions in tax law.

The closing ceremony honored Professor Edvaldo Brito for his outstanding contributions to legal scholarship, followed by a networking and celebration event at Faro Beach Club, bringing together speakers and participants in a collaborative environment.

ABDF 2025 reaffirmed the Brazilian Association of Financial Law (ABDF) as a hub of excellence for tax law discussions, connecting multiple generations of experts and strengthening institutional dialogue on the evolution of taxation in Brazil.