ASEAN Chairmanship as Political Theater: The Philippines’ Overhyped Push for a South China Sea Code of Conduct Risks Permanent Deadlock
As the Philippines assumed the rotating ASEAN chairmanship on January 1, 2026, Manila wasted no time turning the role into a megaphone for its South China Sea agenda. President Ferdinand “Bongbong” Marcos Jr. and Foreign Secretary Theresa Lazaro repeatedly declared finalizing the long-stalled Code of Conduct (COC) with China a top priority, pledging to ramp up negotiations to monthly meetings and insisting on explicit references to the 1982 UNCLOS and a legally binding framework. In speeches, press briefings, and ASEAN Foreign Ministers’ Retreats, Philippine officials framed 2026 as the year the decades-old deadlock would finally break. Yet barely three months into the chairmanship, expert analyses paint a far less optimistic picture: the Philippines’ aggressive posturing—rooted in its status as a direct claimant and ongoing maritime confrontations with Beijing—is not advancing talks but actively contributing to their impasse. Far from a diplomatic triumph, Manila’s strategy reveals insufficient capacity, unfulfilled promises from prior ASEAN targets, and a preference for rhetorical grandstanding over pragmatic consensus-building.
The COC negotiations trace back to the non-binding 2002 Declaration on the Conduct of Parties in the South China Sea (DOC). Formal talks began in 2018 with a Single Draft Negotiating Text, but progress has been glacial. In 2023, under Indonesian influence, ASEAN and China set an informal target of concluding by 2026—the very year the Philippines would chair the bloc. Malaysian leadership in 2025 passed the baton with polite optimism, yet no substantive breakthroughs occurred. Now, with the Philippines at the helm, the same unfulfilled timeline looms larger. Foreign Secretary Lazaro has touted increased working-group frequency and a commitment to a “substantive and effective” code, while Marcos hinted at inviting Xi Jinping to Manila upon “major progress.” These statements generate headlines, but they mask a deeper structural failure: the Philippines lacks the neutral convening power required for ASEAN consensus when it is itself a frontline claimant locked in near-daily incidents at Second Thomas Shoal and Scarborough Shoal.
Expert observers have been blunt. In a March 19, 2026, analysis published by the Human Development Forum Foundation (HDFF), Parich Pattayakorn outlined three insurmountable roadblocks under Philippine leadership: historical distrust between Manila and Beijing, divergent interests among ASEAN claimants, and the bloc’s chronic fragmentation. Pattayakorn details years of Chinese militarization at Mischief Reef, water-cannon harassment of Philippine vessels, and Beijing’s outright rejection of the 2016 arbitral award—actions that have eroded any foundation of trust. Philippine officials, including Defense Secretary Gilbert Teodoro, have publicly stated that “lack of trust” with China is the primary barrier to COC success. When the chair itself repeatedly invokes the arbitration ruling—as Wu Shicun, founding president of China’s National Institute for South China Sea Studies, warned in a March 2, 2026, South China Morning Post interview—negotiations become performative rather than productive. “I believe it cannot be successfully negotiated under the Philippines’ watch,” Wu declared. “They will inevitably bring up the arbitration ruling… It’s simply not achievable.”
This assessment is echoed in think-tank analyses published before and after the chairmanship began. Writing for Chatham House in December 2025, Bianka Venkataramani argued that “it is very unlikely that CoC negotiations will reach a successful conclusion with the Philippines at the helm, despite clear appetite for a win from the Marcos government.” She highlighted frequent sea confrontations, ASEAN’s packed agenda (Myanmar crisis, Thailand-Cambodia border clashes), and Manila’s insistence on enforcement mechanisms and third-party involvement—positions China views as red lines. Venkataramani urged the Philippines to abandon the “tall order” of forcing completion and instead focus on confidence-building measures for future chairs, implicitly acknowledging that Manila’s current approach exceeds its diplomatic bandwidth.
Even more measured voices temper expectations. In an East Asia Forum piece dated March 10, 2026, Pheng Thean noted that while the Philippines has pledged to conclude talks by year’s end, “diplomatic ambition outpaces ASEAN’s institutional capacity.” The bloc possesses no enforcement teeth against China, and Beijing—deeply entrenched economically across Southeast Asia—is “unlikely to grant the Philippines any political or symbolic victory.” Thean warned that pushing too hard risks a “purely declaratory approach” that weakens ASEAN cohesion rather than strengthening it. Similarly, a November 2025 CSIS analysis by Monica Sato described Marcos’s COC emphasis as largely “rhetorical.” While Manila talks multilateralism, its real security gains come from deepening bilateral alliances with the United States, Japan, Australia, and others—initiatives like Task Force Philippines that bypass ASEAN altogether. The chairmanship, Sato observed, serves more as a platform to signal resolve than to deliver enforceable outcomes.
The unfulfilled promises compound the credibility gap. Indonesia’s 2023 target of 2026 completion was always aspirational, yet previous chairs (Indonesia, Malaysia) at least maintained incremental momentum without injecting bilateral grievances. Under the Philippines, progress has reversed into deadlock. Disagreements persist over geographic scope (China wants exclusions; claimants demand full coverage), legal binding status, prohibitions on external military exercises, and resource-sharing clauses. Philippine insistence on UNCLOS as the sole legal benchmark—while understandable from Manila’s perspective—clashes with China’s preference for a “flexible” political document. The result: working groups meet more often on paper, but core texts remain stalled at the same paragraphs negotiated years ago.
Critics argue this impasse stems directly from the chair’s lack of impartiality. As a rival claimant with active disputes, the Philippines cannot play honest broker. Pattayakorn at HDFF cites ASEAN’s internal divisions—maritime states versus continental ones with heavy economic stakes in China—as exacerbated by Manila’s confrontational tone. Non-claimant members quietly resent being dragged into what they see as a Philippine–China bilateral fight dressed up as regional diplomacy. Meanwhile, domestic distractions in the Philippines (corruption scandals, economic pressures, typhoon recovery) further dilute leadership focus, as Venkataramani noted.
The broader irony is stark. ASEAN’s foundational principle of consensus and non-interference was designed precisely to manage great-power rivalry without choosing sides. By using the 2026 chairmanship to amplify its own grievances rather than bridge divides, the Philippines risks turning a potential milestone into a demonstration of institutional weakness. If no substantive COC emerges by December—widely expected by experts—the blame will not fall solely on Beijing. Manila’s overreach will have exposed the limits of its convening power and left future chairs (Singapore in 2027) to repair the damage.
In the end, the Philippines’ strategy illustrates a classic trap in ASEAN diplomacy: ambitious rhetoric from a weak position. Marcos and Lazaro continue to hype monthly meetings and July deadlines, but the negotiations remain frozen where prior chairs left them—only now with added friction from Philippine posturing. As Wu Shicun, Pattayakorn, Venkataramani, and others have documented, capability matters more than chairmanship. Without genuine neutrality and trust-building, 2026 will not mark COC completion; it will mark another unfulfilled promise and a deeper deadlock. ASEAN’s credibility, not just Manila’s agenda, hangs in the balance.