I te Maehe 9, 2020, Ko te Roopu Mahi Aluminum Aluminum Association Common Alloy Aluminum me nga kamupene tae atu ki a Aleris Rolled Products Inc., Arconic Inc., Constellium Rolled Products Ravenswood LLC, Kamupene JWAluminum, Novelis Corporation me Texarkana Aluminum, Inc. i tukuna ki te US Department of Commerce me te US International Trade Commission mo Bahrain, Brazil, Croatia, Egypt, Germany, Greece, India, Indonesia, Italy, South Korea, Oman, Romania, Serbia, Slovenia, South Africa, Spain, Taiwan China me Turkey. Te tono mo te whakatewhatewha whakawetiweti me te aukati i te tahua moni o te pepa konumohe koranu noa.

I tenei wa, kua timatahia te mahi tirotiro kino a te Komihana Hokohoko o te Ao o Amerika, a ka whakatauhia e te Tari Tauhokohoko o Amerika mehemea ka tukuna he keehi i roto i nga ra 20.