The justices turned away an appeal by Irving, Texas-based PrimeSource Building Products of a lower court’s decision to uphold a 25% tariff on some steel derivatives, such as nails and fasteners, put in place by Trump on national security grounds and now defended by President Joe Biden’s administration.

PrimeSource, St. Louis-based Huttig Building Products and Omani company Oman Fasteners challenged the tariffs on steel derivatives, arguing that the U.S. Congress never granted the president broad power over foreign trade to impose them.

Read the article.