After the Supreme Court Rebuke, How Congress Can Reclaim Power and Return Billions in Tariffs

For a brief period on Friday, the Supreme Court’s 6-3 decision that President Donald Trump’s global tariffs exceeded wartime emergency powers appeared to deal a severe blow to a signature element of his trade policy. Within hours, however, the administration pushed back: Trump announced an executive order imposing a global 10% tariff (and later signaled plans to raise it to 15%), almost guaranteeing more litigation and prolonged market uncertainty.

Tariffs have been central to the Trump administration’s economic and political strategy — used both as leverage in trade negotiations and as a source of federal revenue. Last year those levies generated more than $289 billion, collected largely from American importers and consumers. Independent modeling from the Penn-Wharton Budget Model suggests that refunds to affected parties could exceed $175 billion if courts require repayment.

What the Court Said

In a majority opinion, Chief Justice John Roberts made the Court’s limitation clear: "The Government thus concedes, as it must, that the President enjoys no inherent authority to impose tariffs during peacetime." Roberts rejected the argument that the administration’s actions were justified by wartime or warmaking powers, noting that "the United States, after all, is not at war with every nation in the world."

Chief Justice John Roberts: "The Government thus concedes...that the President enjoys no inherent authority to impose tariffs during peacetime."

Justice Neil Gorsuch, in a forceful concurrence, emphasized why tariff and tax policies belong to the legislature: "Most major decisions affecting the rights and responsibilities of the American people (including the duty to pay taxes and tariffs) are funneled through the legislative process for a reason." Justice Brett Kavanaugh, dissenting, warned that returning collected tariffs would create a "logistical mess," though he did not argue against restoring funds in principle.

Why Congress Needs To Act

Friday’s sequence of events demonstrated two realities: the courts can check unlawful executive action, but the executive may seek ways to circumvent judicial rulings. That places responsibility squarely on Congress. Article I of the Constitution vests the power to levy taxes, duties and imposts in the legislative branch — and Congress has clear tools to both prevent future unilateral tariff actions and to remedy past harms.

Practical Steps for Lawmakers

• Immediate Audit and Accounting: Require Treasury and Customs to produce a full, public accounting of tariff receipts and related expenditures going back to the start of the tariff program.
• Refund Mechanism: Authorize a statutory process for returning improperly collected tariffs to importers, businesses, and consumers — including criteria, timelines, and a practical claims procedure.
• Statutory Limits on Emergency Tariffs: Clarify and narrow any authority that would permit the President to impose broad tariffs under a national emergency or other executive power.
• Enhanced Oversight: Empower congressional committees to subpoena documents, hold public hearings, and coordinate with the Government Accountability Office and Treasury Inspector General to examine decision-making and revenue use.
• Transparency Requirements: Mandate advance notice, cost-benefit analysis, and a reporting requirement for any future tariff proposals to prevent sudden, unilateral levies.
• Fast-Track Judicial Review: Create expedited procedures for judicial review of any future large-scale tariff actions to reduce prolonged market uncertainty.

Political Reality

Passing the necessary legislation will require bipartisan political will. Some House leaders have resisted reasserting congressional authority; for example, Speaker Mike Johnson reportedly explored steps that could have ceded tariff authority to the White House, a move that was blocked by members of his own party. If Congress fails to act, the dispute will likely continue in court, and American households and businesses will bear the cost.

Recovering improperly collected funds and preventing future executive overreach would not erase the economic and political damage caused by the tariff program, but it would restore a core constitutional balance and help rebuild public trust. The Court’s decision provides a legal framework — now Congress must provide the legislative fix and oversight to ensure it is effective in practice.