Arusha, Tanzania 7 October 2026
The member organisations of the Network of Tax Organisations (NTO) have signed a renewed Memorandum of Understanding (MoU) in Arusha, Tanzania, marking a significant milestone in the evolution of the Network and reaffirming their commitment to strengthening cooperation among regional and international tax administration organisations worldwide.
The signing took place on the sidelines of the 46th Annual Commonwealth Association of Tax Administrators (CATA) Heads Meeting and Technical Conference, which brought together Commissioners General, Heads of Tax Administrations, senior tax officials and representatives of international and regional tax organisations from across the Commonwealth and beyond.
The signatories to the renewed MoU are:
· African Tax Administration Forum (ATAF)
· Association of Tax Authorities of Islamic Countries (ATAIC)
· Commonwealth Association of Tax Administrators (CATA). 
· Inter-American Centre of Tax Administrations (CIAT)
· Caribbean Organisation of Tax Administrators (COTA)
· Centre for Exchange and Studies of Tax Administration Leaders (CREDAF)
· Intra-European Organisation of Tax Administrations (IOTA)
· Pacific Islands Tax Administrators Association (PITAA)
· Study Group on Asia-Pacific Tax Administration and Research (SGATAR)
· West African Tax Administration Forum (WATAF)
The renewed MoU reaffirms the shared commitment of member organisations to strengthening tax administrations through cooperation, peer learning, knowledge sharing, capacity building and the development of common products and services.
It also reinforces the role of the NTO as a trusted global platform for collaboration and dialogue among regional and international tax organisations.
Members welcomed the transition to a member-led Secretariat model as an important step in the maturation of the Network and a strong foundation for its continued growth and sustainability. The new governance framework marks an important milestone in the evolution of the NTO, strengthening member ownership, enhancing cooperation across regions and positioning the Network for continued growth, sustainability and impact.
The member organisations also expressed their appreciation to the German Federal Ministry for Economic Cooperation and Development (BMZ), the European Union and the International Tax Compact (ITC), implemented by Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH, for their steadfast support since the Network’s inception in 2018. Members acknowledged that this support was instrumental in establishing and strengthening the NTO and enabling its successful transition to a member-led governance and Secretariat model.
As the Network enters this new chapter, members reaffirm their determination to work together in a spirit of partnership and solidarity to strengthen tax administration cooperation globally and contribute to more effective, efficient and resilient revenue administrations.
