Colombia/Mexico: Mexican gypsum wallboard producers including USG Mexico and Abasteco Maxima (Abamax) will have to pay anti-dumping duties on imports to Colombia following an investigation by the Committee on Trade Practices. USG Mexico will be required to pay a 25% tariff, Abamax will have to a pay a 7.15% tariff and all other importers will face a 42.86% tariff, according to the Sentido Común website. The government will implement the tariffs over the next two years and will then reassess the situation.