The World Trade Organization ruled last month that the United States had failed to bring its meat labeling regulations fully in line with international fair trading rules after a complaint by its two neighbors. The ruling would be a step toward potential retaliation if packaging laws are not changed.
Canada estimates U.S. rules requiring retailers to list the country of origin on meat cost its farmers and processors $1 billion a year in lost sales and lower prices, and warned on Friday it would pursue all available remedies.
Studies on the damage to Mexico had not yet been finalized . . .