The legal battle over what critics call the Trump administration's "forced labor tariff" has moved to the U.S. Court of International Trade, the specialized federal court in New York that reviews disputes over customs and trade policy.

The challenge targets the legality of tariff measures tied to forced labor enforcement. At stake is whether the administration used its tariff authority properly when it linked duties to forced labor concerns — an approach the plaintiffs contend exceeded the powers Congress granted.

The U.S. Court of International Trade, created under Article III of the Constitution, holds exclusive jurisdiction over civil actions contesting the assessment of tariffs and the legality of customs duties. That gives the court a central role in deciding whether the disputed measures stand or fall.

The case now before the court will test the boundaries of executive tariff power. The plaintiffs argue the administration cannot impose the contested duties on the legal foundation it cited. The government, for its part, defends the measures as within the executive's trade authority.

For practitioners, the litigation matters on several fronts. Importers whose goods face the contested duties have direct financial exposure, and an adverse ruling for the government could open the door to refunds or recalculated liabilities. Trade lawyers will also watch how the court frames the question of statutory authority — whether the measures rest on a valid delegation from Congress or exceed it. Any decision will likely shape future attempts to condition tariff treatment on labor-practice criteria.

The procedural posture is early. The parties will brief the merits before the court, and the eventual ruling can be appealed to the U.S. Court of Appeals for the Federal Circuit, which reviews Court of International Trade decisions.

The dispute forms part of a broader wave of litigation testing the tariff agenda of the Trump administration. Courts have already confronted challenges to other tariff measures on separate legal grounds, and the forced labor dispute adds a distinct question: can the executive tie tariff treatment directly to forced labor enforcement through the mechanism the administration chose?

The court has not yet scheduled argument. A decision on the legality of the contested measures will follow briefing, and the outcome will bind the parties before the court while carrying significant weight for the wider trading community.