Pa Marichi 9, 2020, The American Aluminium Association Common Aluminium Sheet Working Group ndi makampani kuphatikiza, Aleris Rolled Products Inc., Arconic Inc., Constellium Rolled Products Ravenswood LLC, JWAluminium Company, Novelis Corporation ndi Texarkana Aluminium,Inc. zaperekedwa ku US Department of Commerce and the US International Trade Commission for Bahrain, Brazil, Croatia, Egypt, Germany, Greece, India, Indonesia, Italy, South Korea, Oman, Romania, Serbia, Slovenia, South Africa, Spain, Taiwan China ndi Turkey. Kugwiritsa ntchito kafukufuku wotsutsana ndi kutaya ndi kutsutsa-subsidy papepala la alloy aluminium wamba.

Pakadali pano, bungwe lofufuza za kuwonongeka kwa mafakitale la US International Trade Commission layambika, ndipo Dipatimenti Yowona za Zamalonda ku US isankha ngati ipereka mlandu mkati mwa masiku 20.