By Elan Castañares
Myanmar’s formal objection to Timor-Leste’s planned accession to Association of Southeast Asian Nations (ASEAN) has exposed deeper fractures within the regional bloc, raising questions about the resilience of its consensus-based decision-making model.
The opposition, which surfaced in early July, threatens to complicate Timor-Leste’s long-anticipated induction as ASEAN’s 11th member at the upcoming October summit.
Violation of non-interference principle
Myanmar’s State Administration Council (SAC) formally submitted a letter to Malaysia, the current ASEAN Chair, objecting to Timor-Leste’s entry, citing violations of the regional bloc’s core principle of non-interference, according to Fulcrum and Union of Catholic Asia News.
The SAC accused Dili of engaging with the National Unity Government (NUG), Myanmar’s opposition-in-exile and resistance forces.
The junta claims this engagement disqualifies Timor-Leste from full ASEAN membership.
According to Fulcrum, the letter, signed by Myanmar’s Director General of the ASEAN Department, demanded that ASEAN “suspend all related procedural considerations” unless Timor-Leste changed its approach.
The SAC further said that the ASEAN bloc must “firmly reject” Timor-Leste’s bid if it continues what Myanmar called “blatant violations” of the ASEAN Charter.
Dili dismisses Myanmar’s protest
Timor-Leste’s government has firmly rejected the junta’s claims.
President Jose Ramos-Horta dismissed the objection as “inconsequential and irrelevant,” re-affirming that the accession process is well underway and scheduled to culminate at the ASEAN Summit in October, according to a report by Union of Catholic Asia News.
He stressed that the decision to admit Timor-Leste has already been made and documented in ASEAN’s official communique.
Ramos-Horta and Prime Minister Xanana Gusmao have consistently shown solidarity with Myanmar’s pro-democracy movement.
Gusmao even warned in 2023 that Timor-Leste might reconsider its ASEAN bid if the bloc continued to legitimise military regimes.
Their support for the NUG and human rights in Myanmar has drawn retaliation, including the expulsion of Timor-Leste’s diplomats from Naypyidaw.
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ASEAN’s unity, rules under stress
Myanmar’s resistance is testing ASEAN’s consensus-driven model.
ASEAN rules require that any new member receive unanimous support from all current members, meaning that Myanmar’s objection could block the accession.
However, Myanmar’s influence has waned since it was excluded from high-level ASEAN meetings following the 2021 coup.
Whether its letter constitutes a de facto veto remains unclear.
Analysts like Khoo Ying Hooi argue that Myanmar is attempting to use ASEAN’s consensus model to silence dissent and reshape engagement norms, according to Malay Mail.
During the ASEAN Foreign Ministers’ Meeting in Kuala Lumpur, regional leaders, including Malaysia, Indonesia, Singapore and the Philippines re-affirmed their support for Timor-Leste’s membership.
Singapore’s Foreign Minister Vivian Balakrishnan praised Timor-Leste’s readiness and re-affirmed development support through programmes like the Singapore-Timor-Leste Asean Readiness Support (STARS) package, Straits Times reported.
Implications, road ahead
While Timor-Leste has completed all procedural requirements and enjoys regional support, the situation shows ASEAN’s internal struggles.
The regional bloc must now decide whether to uphold its May 2025 endorsement of Timor-Leste’s membership, made with full awareness of Dili’s stance on Myanmar, or allow obstruction by a member state.
As ASEAN approaches the October summit, the outcome will serve as a test of the bloc’s institutional integrity and political cohesion.
The current members of the ASEAN are Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Vietnam.
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