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Constitutional Impeachment Vote Threshold Flexible: Former Chief Justice

Retired Supreme Court Chief Justice Reynato Puno has argued that the 1987 Constitution's two-thirds vote requirement for impeachment convictions may be interpreted flexibly based on specific circumstances. Puno made the assertion while appearing as an amicus curiae before the Senate impeachment court.

LSN Philippines · 16 September 2026

MANILA — Retired Supreme Court Chief Justice Reynato Puno contended Wednesday that the constitutional threshold for convicting impeachable officials is not rigidly fixed, but rather subject to interpretation based on contextual factors.

Appearing as a friend of the court, Puno presented his legal analysis to the Senate impeachment court, suggesting that the 1987 Constitution's requirement for a supermajority vote carries inherent flexibility in its application.

The former chief magistrate's position adds a significant dimension to ongoing constitutional debates regarding impeachment proceedings in the Philippines. His intervention as an amicus curiae indicates the interpretation of impeachment vote requirements remains contested among legal experts and constitutional scholars.

Puno's assertion challenges conventional understandings of the supermajority threshold, which has long been interpreted as a strict numerical requirement in impeachment trials. The presentation of alternative constitutional interpretations could influence how the Senate conducts future impeachment proceedings.