On 14 November 2026, H.E. Mr. Sihasak Phuangketkeow, Deputy Prime Minister and Minister of Foreign Affairs, attended the 39th ASEAN Coordinating Council (ACC) Meeting, in preparation for the 49th ASEAN Summit and related summits, in Manila, the Philippines. At the Meeting, the Deputy Prime Minister discussed ways to ensure greater coherence, coordination and effectiveness across ASEAN, amid increasingly complex and rapidly evolving challenges and to advance Timor-Leste’s full integration into ASEAN, including its preparations for assuming the ASEAN Chairmanship in 2029.

Subsequently, the Deputy Prime Minister also witnessed the accession ceremony of the Treaty of Amity and Cooperation in Southeast Asia (TAC), where Cyprus, Slovakia, Slovenia signed the Instruments of Accession to the Treaty, underscoring its role in promoting an open and rules-based order and maintaining peace and stability in the region.