In a decisive vote, the Mexican Chamber of Deputies rejected a proposed electoral reform put forth by President Claudia Sheinbaum, with the majority of parties, including the PVEM, PT, PAN, PRI, and MC, voting against it. This reform aimed to implement several significant changes, such as reducing public funding to political parties, limiting their media time, allowing citizens to elect plurinominal deputies directly, and reducing the number of Senate seats from 128 to 96. The proposal garnered only 259 votes in favor, mainly from Morena, while the opposition secured 234 votes, failing to meet the qualified majority required for constitutional amendments.

This rejection marks a notable division within the political alliances that have characterized Mexico's recent governance, especially as it is the first instance since 2018 that both the Labor Party (PT) and the Green Party (PVEM) have opposed a proposal from the ruling coalition known as the 'Fourth Transformation'. This shift highlights an evolving political landscape as Sheinbaum navigates her ambitions amid increasing resistance from both allies and oppositional parties in the legislature.

In response to this setback, Ricardo Monreal, the coordinator of Morena's parliamentary faction, hinted at future plans, indicating that the party will adapt and seek alternative paths to advance its objectives. This situation suggests a potential stalemate in important electoral reforms in Mexico and raises questions about the future strategic interactions among the parties, the political stability of Sheinbaum's administration, and the implications for the electoral process moving forward.