- Asia-Pacific Economic Cooperation (APEC) Transportation Working Group (TPTWG), Energy Working Group (EWG), and Telecommunications and Information Working Group (TEL)(APEC-Infra)Australia; New Zealand
- Pacific Islands Forum(Pacific Islands Forum)Australia; New Zealand
- United Nations Economic and Social Commission for Asia and the Pacific (UNESCAP)(UNESCAP)Australia; New Zealand
- Secretariat of the Pacific Community (SPC)(SPC)Australia; New Zealand