Mexico rejected a new U.S. proposal for modifying the 2014 sugar trade deal between the two nations. The latest proposal would increase minimum prices for refined Mexican sugar and adjust quality requirements, which would essentially push Mexican exporters out of the U.S. market, says Juan Cortina, the head of Mexico’s sugar chamber and a member of Mexico’s negotiating team. He adds the proposal sets a “very bad precedent” for upcoming North American Free Trade Agreement talks. U.S. Commerce Secretary Wilbur Ross and Mexico’s Economy Minister Ildefonso Guajardo are scheduled to meet May 15 to continue talks. If officials cannot strike a deal by June 5, the U.S. will reinstate antidumping and countervailing duties on Mexican sugar, and Mexico will retaliate against U.S. high fructose corn syrup.