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Brazilian Senate Weighs Landmark Constitutional Amendment to Rein in Supreme Court Powers
AN
Anna Wright
4 weeks ago
Brazil’s Congress is moving forward with a contentious constitutional amendment that would significantly curtail the authority of the Supreme Federal Court (STF), a development that has ignited a fierce debate over the balance of power among the country’s three branches of government. The proposed amendment, which must secure a supermajority in the Senate by the end of 2026, seeks to limit the STF’s ability to unilaterally strike down legislation, issue sweeping injunctions, and override congressional decisions on budgetary matters. Proponents argue the measure is necessary to restore democratic accountability, while critics warn it threatens judicial independence and the rule of law.The push to limit judicial powers stems from years of tension between the STF and the conservative-dominated National Congress. In recent sessions, lawmakers have accused the court of overreach, particularly after a series of high-profile rulings that blocked parts of President Luiz Inácio Lula da Silva’s environmental agenda and overturned criminal convictions of powerful politicians. The amendment, formally titled the “Proposta de Emenda à Constituição” (PEC) on judicial restraint, would require a two-thirds vote in both the Chamber of Deputies and the Senate. It has already cleared key committees in the lower house, where it passed by a comfortable margin in early 2025, and now faces its most critical test in the upper chamber.At the heart of the controversy is the STF’s practice of issuing “monocratic decisions”—single-justice rulings that can suspend laws or government actions without full court review. The amendment would ban such decisions in cases involving constitutional challenges, forcing the full bench to deliberate collectively. Additionally, it would strip the court of its power to create new legal precedents through “binding summaries” (súmulas vinculantes) without prior congressional approval. Supporters, led by Senate President Rodrigo Pacheco, argue these changes will prevent judicial activism and restore the legislature’s primacy in policymaking. “No single judge should be able to override the will of the people as expressed by their elected representatives,” Pacheco said in a recent floor speech.Opposition to the amendment is fierce, both within the Senate and from legal experts. The Brazilian Bar Association (OAB) has condemned the proposal as an unconstitutional attack on judicial independence, warning it could enable executive overreach and weaken protections for minority rights. Former STF Chief Justice Luiz Fux publicly cautioned that the amendment “would dismantle the checks and balances that have safeguarded Brazilian democracy since 1988.” International observers, including the Inter-American Commission on Human Rights, have also expressed concern, urging lawmakers to ensure any reforms comply with international standards for judicial autonomy.The political calculus in the Senate is delicate. The amendment requires 49 of 81 votes to pass, and while the conservative bloc holds a majority, internal divisions have emerged. Some centrist senators worry that curbing the court too aggressively could backfire, especially if a future left-leaning government seeks to bypass judicial scrutiny. Meanwhile, President Lula has remained publicly neutral but is believed to oppose the measure, fearing it could embolden his political rivals. His Workers’ Party (PT) has instructed its senators to vote against the amendment, framing it as a power grab by the right.If the amendment fails to pass the Senate by the December 2026 deadline, it will be shelved until the next legislative session, effectively killing the current push. However, proponents are already negotiating concessions to win over undecided lawmakers. Possible compromises include narrowing the ban on monocratic decisions to only the most politically sensitive cases, or adding a sunset clause that would require renewal after a decade. The outcome will likely hinge on the 2026 presidential election campaign, which is expected to dominate political discourse and could shift senators’ allegiances.Beyond the immediate legislative battle, the amendment reflects a broader global trend of elected officials seeking to constrain judiciaries they perceive as too powerful. From Poland to Israel, similar efforts have sparked constitutional crises and drawn international scrutiny. In Brazil, the stakes are particularly high given the STF’s role in overseeing anti-corruption investigations and adjudicating disputes between the executive and legislative branches. A victory for the amendment’s backers would mark a historic realignment of power in Brasília, while a defeat would reaffirm the court’s resilience—and likely set the stage for continued institutional conflict.
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