The U.S. government has outlined the final rules for its Aluminum Import Monitoring and Analysis system which will allow for “timely monitoring of import surges”. While adding supply chain transparency the system, which comes online from June 28, comes on top of a complex process for requesting exemptions from tariffs which included around 27,500 cases as of February. Further complications may come if national-level exemptions are extended from Canada and Mexico to include the U.K. and Europe. U.S. imports covered by section 232 aluminum duties rose by 5.2% year over year in Q1’21 but we...