Market watchers are keeping a close eye on a potential legal challenge that could reshape U.S. trade policy. Should the Supreme Court rule that tariffs imposed under IEEPA authority lack legal foundation, it wouldn't necessarily halt the White House's protectionist agenda. Instead, officials have alternative legislative pathways—various trade statutes and executive authorities—at their disposal to maintain or reinstate tariff measures. This distinction matters for traders and investors monitoring policy volatility, as it suggests tariff uncertainty may persist regardless of any single court ruling. Understanding these backstop mechanisms is crucial for assessing medium-term market exposure to trade policy shocks.