Argentina: Unions Challenge Milei’s Labor Reform in Court

Buenos Aires – A legal challenge to Argentina’s recently adopted labor reform, spearheaded by President Javier Milei, was filed Monday, marking the first formal constitutional challenge to the sweeping changes. The move, initiated by a state lawyers association, comes just days after the controversial legislation was approved by the Argentine Congress on Friday, and signals a deepening conflict between the government and labor unions.

The new law, dubbed the “Labor Modernization Law” by the government, aims to loosen what Milei describes as antiquated labor regulations to boost hiring. Key provisions include allowing working days of up to 12 hours, reducing severance pay, limiting the right to strike, and lowering employer taxes. Yet, unions and opposition groups argue the reforms roll back decades of hard-won worker rights, effectively “precarizing” employment conditions, as critics have termed it.

Leaders of the General Confederation of Labor (CGT), unions, and members of labor courts during a rally in front of the Palace of Justice in Buenos Aires to support a legal action against the labor reform of Argentine President Javier Milei, March 2, 2026 (AFP / Juan Mabromata)

The Asociación Gremial de Abogacía del Estado (AGAE), the state lawyers association, initiated the legal challenge, arguing the law “harms workers” and is unconstitutional, according to a statement from the association’s deputy leader, Roberto Álvarez, posted on social media. This action is separate from, but aligned with, the planned legal challenge from the country’s largest trade union federation, the Confederación General del Trabajo (CGT).

CGT Mobilization and Constitutional Concerns

The CGT, which previously staged a nationwide general strike earlier this month that brought Argentina to a standstill, has likewise announced its intention to file a claim of unconstitutionality. The union argues the law violates the “principle of progressivity (or non-regression),” preventing measures that represent a setback in established labor rights. On Monday, the CGT organized protests in several cities across Argentina, asserting that reinstating labor practices “close to servitude or slavery” will not stimulate job creation.

Vue aérienne d'un rassemblement de syndicats devant le palais de justice de Buenos Aires pour soutenir une action en justice contre la réforme du travail du président argentin Javier Milei, le 2 mars 2026 ( AFP / Juan Mabromata )
An aerial view of a union rally in front of the Palace of Justice in Buenos Aires to support a legal action against the labor reform of Argentine President Javier Milei, March 2, 2026 (AFP / Juan Mabromata)

President Milei, however, maintains that Argentina’s existing labor laws discourage formal hiring due to their restrictive nature. He celebrated the law’s passage as a major political victory during his annual State of the Nation address on Sunday, framing it as a crucial step in his broader deregulation agenda. According to official data, over 43 percent of workers in Argentina currently lack formal employment contracts, a statistic Milei’s administration cites as justification for the reforms.

Public Opinion and Concurrent Protests

Public opinion regarding the labor reform remains divided. A recent poll indicates that 48.6% of Argentinians approve of the changes, while 45.2% oppose them. Adding to the social unrest, teachers also went on strike Monday, demanding salary increases and protesting the labor reform, which disrupted the start of the school year following the Southern Hemisphere summer break.

The CGT’s statement emphasized that improving employment prospects does not come through reducing worker rights or reverting to legal frameworks reminiscent of “servitude or slavery.” The union’s legal challenge focuses on the potential for the law to undermine fundamental constitutional principles protecting workers.

What’s Next for the Labor Reform?

The legal challenges filed by the AGAE and the CGT are now before the Argentine courts. The timeline for a ruling remains uncertain, but the proceedings are expected to be closely watched by labor groups, businesses, and the government alike. The outcome will significantly impact the future of labor relations in Argentina and the implementation of President Milei’s economic agenda. The court will need to determine whether the reforms align with Argentina’s constitution and established legal precedents regarding worker rights.

The debate over the labor reform underscores the deep political and economic divisions within Argentina, as the country grapples with high inflation and a struggling economy. The reforms are a central component of Milei’s efforts to stabilize the economy and attract foreign investment, but they have sparked widespread opposition from those who fear they will exacerbate inequality and erode worker protections. The coming months will be critical as the courts weigh the arguments and determine the fate of this controversial legislation.

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