Marzuki Mohamad, a former close associate of Muhyiddin Yassin, has mounted a legal and constitutional defence of Bersatu's position within Perikatan Nasional, asserting that the coalition's foundational rules provide robust protections against unilateral disciplinary action. His intervention into the ongoing faction disputes within PN comes as tensions between member parties reach a critical juncture, with questions swirling about the stability of what has become a central political force in Malaysian governance.

According to Marzuki, the PN constitution explicitly requires unanimous consent from the presidential council before any member party can face disciplinary sanctions or be stripped of parliamentary representation within the coalition structure. This constitutional requirement, he argues, effectively functions as a veto mechanism that prevents any single dominant party or faction from weaponising the coalition's rules to exclude rivals. The emphasis on unanimity represents a foundational principle designed to protect minority partners and ensure that major decisions affecting the coalition's composition receive broad-based support rather than simple majority votes.

The implications of this interpretation extend far beyond Bersatu's immediate predicament. If Marzuki's reading of the PN constitution is accurate, it suggests that the coalition was deliberately structured to require consensus-building among its heterogeneous membership rather than permitting majoritarianism. This design choice reflects the coalition's origins as an alliance of convenience between parties with distinct political interests and regional bases. Perikatan Nasional comprises Bersatu, PAS, and various other political entities, each bringing different constituencies and ideological orientations to the partnership.

Bersatu's position within PN has grown increasingly complex as internal party dynamics have shifted following Muhyiddin's stepping down as party president and his transition into a mentoring role. The party finds itself navigating multiple pressures: maintaining relevance within the federal coalition, managing internal factions, and positioning itself for potential electoral contests. Any move to expel or marginalise Bersatu would represent a seismic shift in PN's internal balance, potentially destabilising the coalition's parliamentary strength and the delicate equilibrium that has sustained Malaysian governance structures.

Marzuki's intervention also underscores the broader question of how coalition rules are interpreted and applied in Malaysian politics. Constitutional documents often contain ambiguities that become subject to competing interpretations when political interests diverge. The question of whether unanimous approval truly means unanimous or whether procedural workarounds exist becomes a matter of significant political consequence. If challenges to Bersatu's membership were to materialise, the interpretation of these constitutional provisions could become the subject of intense legal dispute and political contestation.

The significance of this constitutional reading resonates particularly within Southeast Asian political contexts, where coalition politics often require carefully balanced frameworks to prevent dominant partners from overriding smaller constituents. Malaysia's experience with federal coalitions and multi-party partnerships, from the original Barisan Nasional to the more recent Pakatan Harapan experiment and current PN configuration, demonstrates how constitutive documents shape the possibilities and constraints of political cooperation.

For Malaysian observers tracking the evolution of PN as a governing force, Marzuki's assertion raises critical questions about the coalition's durability and the mechanisms available to member parties for self-protection. Whether through constitutional design or political necessity, coalitions require mechanisms that prevent their disintegration through the arbitrary exclusion of members. Without such protections, smaller parties lose incentive to commit fully to coalition partnership, preferring instead to maintain strategic flexibility.

Bersatu's particular significance within PN stems from its representation of a distinct political franchise with particular organisational structures and electoral strategies. The party emerged from internal Umno factionalisation and has developed its own voter coalition spanning rural and semi-urban constituencies. Its continued presence within PN influences the coalition's overall political geography and parliamentary mathematics, making decisions about membership far more consequential than simple arithmetic might suggest.

The emphasis on unanimity within PN's presidential council also reflects democratic principles about decision-making in voluntary associations. When parties agree to form coalitions, they typically embed protections ensuring that no single faction can unilaterally alter membership or status. This prevents the logical end-point of majoritarian coalition politics where the largest component party progressively marginalises smaller partners until the coalition exists in name only.

Marzuki's intervention also serves as a reminder that Malaysian politics operates simultaneously at multiple institutional levels. Party constitutions, coalition agreements, parliamentary standing orders, and informal understandings all shape how political actors behave and what strategies remain available. A senior figure with deep familiarity with PN's constitutional architecture lending his voice to this interpretation carries weight that extends beyond mere commentary, potentially influencing how legal and political actors assess possible courses of action.

The practical implications for Malaysian governance remain significant. If PN members doubt their security within the coalition, incentives shift toward defection, coalition-hopping, and the kind of political volatility that has characterised Malaysian politics in recent years. Conversely, if PN's constitutional safeguards are genuine and enforceable, they provide stability that allows member parties to invest in coalition-building activities and long-term strategies rather than short-term survivalism.

As Malaysian politics continues navigating the post-2022 election landscape, the robustness of coalition rules and their application will continue shaping which partnerships endure and which collapse. Marzuki's assertion that Bersatu cannot be casually expelled speaks to broader questions about how power is distributed within coalitions and what mechanisms exist for protecting minority interests within larger political structures.