Recent inspections by the National Seed Institute (INASE) in Argentina's Chaco Province have revealed 7 cases of potential unauthorized use of genetically modified (GMO) cotton seeds, with 6 cases showing preliminary signs of violations. This incident highlights ongoing issues with unauthorized GMO plantings in Argentina, including past instances involving various crops. Additionally, the article discusses the agricultural landscape in southern Brazil and Argentina, emphasizing the challenges posed by differing GMO policies within the Mercosur region, particularly concerning soybeans. The need for a uniform GMO approval system is underscored to prevent unauthorized cross-border transgenic crop transfers and ensure regulatory consistency among member countries.