Tariff Challenges Landed in Court as States and Businesses Questioned Trump’s Authority
The tariff fight moved quickly from policy fight to court fight in April 2025. First came a lawsuit from five small businesses filed on April 14. Then, on April 23, a coalition of 12 states sued in the U.S. Court of International Trade, which sits in New York City, arguing that Trump’s tariff orders were unlawful and should be blocked. ([gov.ca.gov](https://www.gov.ca.gov/wp-content/uploads/2025/04/FILE_8502.pdf?utm_source=openai))
The states said the administration had used the International Emergency Economic Powers Act to justify tariffs in a way the law does not allow. In their complaint, they argued that the White House had no power to use a claimed emergency to impose broad import duties and then keep changing them at will. California’s separate announcement on April 16 said much the same thing: the state said Trump lacked authority to unilaterally impose tariffs through IEEPA, and that the policy was already causing immediate harm. ([azag.gov](https://www.azag.gov/sites/default/files/2025-05/Multistate%20Tariffs%200077%20PLD%20Complaint%204.23.25%20FINAL%20%281%29.pdf?utm_source=openai))
The business case and the state case were not the same lawsuit, but they pointed in the same direction. Both asked courts to stop the tariff program by challenging the legal authority behind it, not just the economic wisdom of it. As of those filings, the merits were unresolved and no final ruling had settled whether the administration could use emergency powers that way. ([gov.ca.gov](https://www.gov.ca.gov/wp-content/uploads/2025/04/FILE_8502.pdf?utm_source=openai))
The practical complaint was straightforward: tariffs do not stay abstract for long. They change prices, sourcing plans, inventory levels and contracts while companies try to guess what comes next. That is why the legal fight mattered beyond the courtroom. The question was not only whether the tariffs were expensive, but whether the president could impose them without fresh congressional approval. ([gov.ca.gov](https://www.gov.ca.gov/wp-content/uploads/2025/04/FILE_8502.pdf?utm_source=openai))
The White House and Justice Department documents cited in the original draft were not tariff defenses. The White House fact sheet from March 21 dealt with attorney discipline and litigation misconduct, and the Justice Department release from March 27 announced an anticompetitive-regulations task force. They do not show official support for the tariff program and should not be read that way. ([whitehouse.gov](https://www.whitehouse.gov/fact-sheets/2025/03/fact-sheet-president-donald-j-trump-prevents-abuses-of-the-legal-system-and-the-federal-courts/?utm_source=openai))
For now, the filing dates tell the story cleanly: small businesses first, states second, and the courts asked to decide whether the administration had stretched emergency law into tariff authority. The issue was still open, and the lawsuits had already forced that question into the record. ([gov.ca.gov](https://www.gov.ca.gov/wp-content/uploads/2025/04/FILE_8502.pdf?utm_source=openai))
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