The Canadian government's decision comes a week after Washington requested "resolution" consultations on the USMCA trade agreement. The Executive led by Andrés Manuel López Obrador has tried to veto the use of genetically modified corn since 2020.

"Canada shares the United States' concern that Mexico's measures are not scientifically supported and have the potential to unnecessarily disrupt trade in the North American market," the Canadian government said in a statement. The U.S. has asked in several explanations about the scientific foundations on which they based to make the decision.