- In 2017, Timor-Leste has participated in ASEAN 30th and 31st ASEAN Summits, represented by H.E. Minister Aúrelio Guterres on behalf of H.E. President of the Democratic Republic of Timor-Leste.
- TL’s has participated in 236 out of 387 activities under the ARF.
- ARF Activities Co-chaired by TL:
- Co-chaired with Malaysia and Australia, the ARF workshop on Dispute Resolution and Law of the Sea on 27-28 February 2020 in Dili.
- Co-chaired with Indonesia, New Zealand, and the US, the ARF Workshop on Preventive Diplomacy and Early Warning: Linkages for Conflict Resolution on 24-26 April 2019 in Dili and Liquiça.
- Co-chaired with Singapore and New Zealand, the ARF Workshop on Preventive Diplomacy in a Post-Conflict Environment on 18-20 April 2017 in Dili.
- Co-chaired, with Indonesia and the US, the ARF Workshop on Illegal, Unregulated and Unreported (IUU) Fishing on 19-21 April 2016 in Bali, Indonesia.
- Co-chaired, with Thailand, the 5thARF Expert and Eminent Persons (EEPs) Meeting on 27-28 January 2011 in Dili.TL’s Contribution in the ARF:
- On August 2021, Timor-Leste developed its First ARF Annual Security Outlook.
- Timor-Leste has nominated its first Eminent Persons (EEPs) to ARF Secretariat.
- Timor-Leste hosted, co- hosted- co- chaired and chaired some of ARF meetings.