The ruling Democratic Party’s (DP) push to put a constitutional change to a national vote in the upcoming local elections fell through Friday as the main opposition People Power Party (PPP) continued to boycott a parliamentary vote on the proposal.

Shortly after Friday’s plenary session opened, National Assembly Speaker Woo Won-shik announced that he will not put the amendment bill to a vote as the PPP warned it would launch a filibuster to block the proposal.

“I convened the plenary session again today in an effort to prevent the first constitutional amendment vote in 39 years from falling through,” Woo said. “But I believe further proceedings would be meaningless, seeing the (PPP) responding with a filibuster.”

The PPP boycotted a vote on the bill Thursday, leaving the unicameral parliament short of a quorum.

Cheong Wa Dae expressed regret over the National Assembly’s failure to pass the bill due to opposition from PPP lawmakers.

“The public will find it difficult to understand why they opposed even minimal constitutional changes aimed at safeguarding national security and democracy,” presidential spokesperson Kang Yu-jung said in a written briefing, noting that there had been broad public consensus on the need to “reflect the lessons” of former President Yoon Suk Yeol’s Dec. 3, 2024, martial law attempt in the Constitution.

“We urge the National Assembly to continue the discussions on the constitutional amendment with a greater sense of responsibility during the second half and to keep the promise it made to the people,” she added.

President Lee Jae Myung earlier highlighted the need to amend the constitution in “phases” if necessary, saying the Constitution, which has remained unchanged for nearly 40 years since 1987, may now be outdated.

The proposed bill aimed to tighten the rules for declaring martial law, requiring the president to obtain parliamentary approval without delay and stipulating that if the National Assembly rejects the declaration or fails to approve it within 48 hours, the martial law will be immediately nullified.

It also sought to include the 1980 pro-democracy uprising in Gwangju and the 1979 Busan-Masan pro-democracy protests in the preamble. It currently states that the country inherits the spirit of the April 19 revolution in 1960, which overthrew South Korea’s first president, Rhee Syng-man, over election fraud.

The bill was jointly proposed by 187 lawmakers from the DP and five minor parties.

A constitutional amendment requires two thirds of votes from sitting lawmakers to be put to a national referendum for final approval by a majority of ballots cast.

South Korea is set to hold its quadrennial local elections on June 3.

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