The U.S. supreme court will hear oral arguments on November 5 concerning the legality of Donald Trump’s import tariffs, reports the Guardian. The court announced earlier this month it would hear the case after a lower appeals court ruled that the U.S. president had overstepped his authority by using a federal law meant for emergencies to impose most of his sweeping and often punitive tariffs on the U.S.’s trading partners. More: Watch: How Will the Supreme Court Rule on Trump’s Tariffs? The case was placed on a fast track by the supreme court, which begins its nine-month term next month. The court had also agreed to hear a separate challenge to Trump’s tariffs brought by a family-owned toy company, Learning Resources.