From January to mid-October 2026, ABDF held 43 events: 10 WIN | CEMT debates and webinars, 10 CEMT Study Group meetings, 9 ABDF Jovem | YIN IFA meetings, 9 meetings of the Study Group on Income Tax Reform in Brazil, two book launches, two ABDF webinars and the IX International Tax Law Congress of Rio de Janeiro. ABDF also offered four update courses and a postgraduate program in tax case law.
16 January 2026: CEMT Debate – Tax Reform: Challenges for 2026.
3 February 2026: CEMT Debate – Income Taxation: REARP, Minimum Tax on High Incomes and Other Topics.
24 February 2026: WIN | CEMT Debate – Complementary Law 224: Reduction of Tax Benefits.
3 March 2026: WIN | CEMT Debate – Tax Compliance and Persistent Debtors under the Taxpayer Protection Code.
9 March 2026: CEMT Debate – International Women's Day Special: International Case Law and Dispute Resolution in Transfer Pricing.
15 May 2026: WIN | CEMT Debate – IBS and CBS Regulations: News and Points of Attention.
2 June 2026: WIN Webinar – Tax Aspects and Challenges of Cross-Border Investment in Latin America (international).
22 June 2026: WIN | CEMT Open Meeting – From Tax Audits to Administrative Litigation under the Tax Reform.
20 July 2026: WIN | CEMT Open Meeting – Domestic and International Cost Sharing.
14 October 2026: WIN | CEMT Webinar – Changes Introduced by Complementary Law 236/2026.
23 January 2026: 6th meeting – Complementary Law 214, articles 8 and 9.
30 January 2026: 7th meeting – Tax Neutrality in the Consumption Tax Reform.
6 February 2026: 8th meeting – Complementary Law 214, article 10 (taxable event).
27 February 2026: 9th meeting – Complementary Law 214, article 11 (place of supply).
13 March 2026: 10th meeting – Complementary Law 214, article 12 (tax base).
17 April 2026: 11th meeting – IBS/CBS Taxable Event and the Concept of Supply.
29 May 2026: 12th meeting – Analysis of the CBS and IBS Regulations.
19 June 2026: 13th meeting – Tax Rates.
31 July 2026: 14th meeting – Taxpayers and Liability.
21 August 2026: 15th meeting – Extinction of IBS/CBS Liabilities.
29 January 2026: Linear Reduction of Tax Incentives (Complementary Law 224/2025) and the Minimum Income Tax on High Earners (Law 15,270/2025).
4 March 2026: Tax Reform and Current Disputes in the Real Estate Sector.
1 April 2026: Impacts and Challenges of the Tax Reform on Administrative and Judicial Litigation.
5 May 2026: Consumption Tax Reform and the Retail Sector.
26 May 2026: Three Years of Brazil's New Transfer Pricing Rules: From the Legal Framework to Practice.
2 June 2026: Taxation of Dividends and the Minimum Income Tax (São Paulo).
23 June 2026: Geopolitics, Tax Reform and Fuels.
21 July 2026: Tax Reform and Foreign Trade: Effects in Practice.
6 October 2026: The National Tax Code after Complementary Law 236/2026.
6 March 2026: Comparative Law and Brazil.
27 March 2026: Overview and Diagnosis of Income Taxation in Brazil.
10 April 2026: Taxation of Profits and Dividends (Law 15,270/2025), part 1.
24 April 2026: Taxation of Profits of Foreign Subsidiaries.
22 May 2026: Annual Minimum Tax on High Incomes (IRPF-M).
12 June 2026: Withholding Tax on Non-Residents and Double Tax Treaties, part 1.
26 June 2026: Taxable Income and Tax Losses under the Income Tax Reform.
7 August 2026: Income Taxation in a Changing Economy.
28 August 2026: Income Tax Reform in Brazil: Past, Present and Future, with Ricardo Mariz de Oliveira.
20 March 2026: ABDF Webinar – Fiscal Sovereignty in Question? Tensions and New Tax Paradigms.
12–14 August 2026: IX International Tax Law Congress of Rio de Janeiro.
20 August 2026: Launch of A Tributação na Atividade Imobiliária pelo IBS/CBS (Luciano Gomes Filippo).
22 September 2026: ABDF Webinar – Split Payment and RAD: Operational Challenges and Perspectives for the Financial Sector.
29 September 2026: Launch of the collective book Preços de Transferência no Brasil: Rumo à Convergência com o Padrão OCDE – vol. 2 (São Paulo).
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