OECD

On 23–24 September 2026, IOTA held a Digital Workshop on “Combating international tax avoidance and aggressive tax planning through the use of legal entities in tax havens.” The two-day event brought together nearly 300 IOTA member tax administration officials to exchange experiences and practical approaches to identifying and challenging complex international tax avoidance schemes involving offshore structures.

IOTA is pleased to announce that registration is now open for most courses available through the VITARA learning platform for Fiscal Year 2027. The courses will remain accessible until 15 April 2027, while the registration deadline is 1 April 2027.

On 20–21 May 2026, IOTA had the pleasure of organising the Forum on Implementation of Measures to Counter Base Erosion and Profit Shifting (BEPS) in a digital format via MS Teams. The event brought together over 160 experts from 32 IOTA member tax administrations and international partners – OECD, to exchange experiences, practical approaches, and emerging challenges related to the implementation of the BEPS Action Plan.

From October 1-2, 2025, IOTA hosted another insightful hybrid event from its Annual Work Programme Calendar: the IOTA Forum on Tax Debt Management, titled "Navigating New Paths to Unlock Innovative Tax Debt Management Solutions." Held in Skopje, this event was organised in close collaboration with the Public Revenue Office of the Republic of North Macedonia.

From September 18-19, 2025, the IOTA Secretariat’s delegation, including Alix Perrignon de Troyes, Executive Secretary, and Roman Bichevoy, Strategy, Governance, and Institutional Development Manager, represented IOTA at the Organisation for Economic Co-operation and Development (OECD) Forum on Tax Administration (FTA) Capacity Building Network Meeting 2025 in Paris, France. This important event brought together global tax administration experts to discuss strategies for strengthening capacity-building efforts across countries.

From September 24 to 26, 2025, a successful joint IOTA-OECD Workshop on ISORA 2025 took place in Vienna, Austria. The event gathered nearly 60 in-person participants from 36 tax administrations, most of which are IOTA members, and was hosted by the Federal Ministry of Finance of the Republic of Austria.