Supreme Court to fast-track review of Trump tariffs under IEEPA

The Supreme Court on Tuesday agreed to fasttrack review of whether President Donald Trump has the authority to impose sweeping global tariffs, setting oral arguments for the first week of November and requiring opening briefs by Sept. 19. The move accelerates a high-stakes legal fight that will determine whether much of the administration's tariff program, carried out under a 1977 emergency statute, can remain in force.

The Justice Department asked the justices to intervene quickly after the full U.S. Court of Appeals for the Federal Circuit ruled 7-to-4 in late August that the International Emergency Economic Powers Act, known as IEEPA, does not expressly give the president the power to impose tariffs. That appeals court left the levies in place temporarily and delayed issuing a mandate until Oct. 14 to permit an appeal. The Supreme Court consolidated two separate challenges and allotted one hour for argument.

Solicitor General D. John Sauer told the court and in filings that the lower-court rulings are already disrupting trade negotiations and could expose the United States to retaliatory measures and economic harm. The administration argued that the tariffs were justified by...