04 May 2026

AOTCA President Leads Efforts to Deepen Regional Collaboration in Tokyo Visit

Dr. Ruston Tambunan, President of AOTCA, visited the Secretariat at JFCPTAA in Ohsaki, Tokyo, underscoring AOTCA’s commitment to closer regional ties.

08 Apr 2026

AOTCA President Ruston visits JFCPTAA in Tokyo

JFCPTAA1

29 Jan 2026

Incorporation of AOTCA

AOTCA began a new chapter as a General Incorporated Association under Japanese law on January 5, 2026.

03 Oct 2025

AOTCA President Shares Insights on Global Minimum Tax and Transfer Pricing at CFO Roundtable

On September 29, 2025, Dr. Ruston Tambunan, the President of the Asia Oceania Tax Consultants' Association (AOTCA), had the honor of being one of the distinguished speakers at the Global CFO e-Roundtable hosted by the International Association of Financial Executives Institutes (IAFEI).

25 Sep 2025

Representative of AOTCA Attends the 54th SGATAR Annual Meeting

On behalf of AOTCA, Advisor Marcellus Wong attended the 54th Annual Meeting of Study Group on Asia-Pacific Tax Administration and Research (SGATAR) held on 15-18 September in Brisbane, as observer.

17 Sep 2025

Representatives of AOTCA Attend the 6th BRITACOF and Deliver a Keynote Speech

From September 9th to 11th, the 6th Belt and Road Initiative Tax Administration Cooperation Forum (BRITACOF) was held in Kathmandu, Nepal.

01 Sep 2025

ITSG Announces Grant Donation to AOTCA

The International Tax Specialist Group (ITSG) has formally notified the Asia-Oceania Tax Consultants’ Association (AOTCA) of its decision to provide the grant donation through an official letter.

30 Jul 2025

The Belt and Road Initiative Tax Journal Has Published Articles Written by Members of the AOTCA Technical Committee

The Belt and Road Initiative Tax Journal has published articles written by members of the AOTCA Technical Committee about Hong Kong's tax environment and generative AI in taxation.

24 Jan 2025

AOTCA Participates in Online Meeting of CFE New Tax Professionals Ad Hoc Committee

AOTCA Participates in Online Meeting of CFE New Tax Professionals Ad Hoc Committee

26 Oct 2024

2024 AOTCA Annual Meeting and International Tax Conference Held in Hangzhou, China

From October 22-25, the 2024 Asia-Oceania Tax Consultants Association (AOTCA) Annual Meeting and International Tax Conference was held in Hangzhou, China.

12 Nov 2019

“Statement to OECD Consultation” on taxation of digitalizing economy

Global Tax Advisers Platform (GTAP) endorsed the CFE statement to the OECD Consultation on the Unified Approach under Pillar One, concerning the OECD Secretariat proposals for taxation of the digitalizing economy.

10 Oct 2019

AOTCA meetings and International Tax Conference in Busan, Korea

The 2019 AOTCA annual meetings and the International Tax Conference were held in Busan, Korea from 16 to 18 October 2019. The three days events were graciously and splendidly hosted by the Korean Association of Certified Public Tax Accountants and attended by about 450 delegates of AOTCA member organizations. The discussion topics of International Tax Conference were; “Artificial Intelligence and tax profession”, “Digital Tax” and “Tax Morale and Compliance”.