I le aso 9 o Mati, 2020, o le American Aluminum Association Common Alloy Aluminum Sheet Working Group ma kamupani e aofia ai, Aleris Rolled Products Inc., Arconic Inc., Constellium Rolled Products Ravenswood LLC, JWAluminum Company, Novelis Corporation ma Texarkana Aluminum, Inc.tu'uina atu i le US Department of Commerce ma le US International Trade Commission mo Bahrain, Pasila, Croatia, Aikupito, Siamani, Eleni, Initia, Initonesia, Italia, Korea i Saute, Oman, Romania, Serbia, Slovenia, Aferika i Saute, Sepania, Taiwan Saina ma Turkey.Talosaga mo su'esu'ega e tetee atu i le lafoa'i ma le fa'asaoina o le pepa alumini masani.

I le taimi nei, ua amata su'esu'ega a le Komisi o Fefa'ataua'iga Fa'avaomalo a le US International Trade Commission, ma o le a filifili le US Department of Commerce pe faila se mataupu i totonu o le 20 aso.