Hal Ehwal Antarabangsa
- Study Group on Asian Tax Administration and Research (SGATAR)
- Commonwealth Association of Tax Administrators (CATA)
- Inter-American Center of Tax Administrations (CIAT)
- Organisation for Economic Co-operation and Development (OECD)
- International Bureau of Fiscal Documentation (IBFD)
- Asian Development Bank (ADB)
- World Bank
- Tax Administration Diagnostic Assessment Tool (TADAT)
- Association of Tax Authorities in Islamic Countries (ATAIC)