Businesses press Supreme Court to strike down Donald Trump’s emergency tariff power
About 40 briefs have been filed challenging signature policy ahead of showpiece hearing
About 40 briefs have been filed challenging signature policy ahead of showpiece hearing

Case could determine the future of the US president’s global trade agenda

Democratic attorneys-general say president exceeded authority after Supreme Court struck down original levies

Judicial limits on the executive today will bind the hands of future presidents tomorrow

Judges uphold ruling that the president exceeded his authority

US trade policy hinges on obscure laws after Supreme Court ruled previous levies illegal

Customs officials are rejecting attempts to reclaim duties that were struck down by the Supreme Court