New York. A dozen states sued the Donald Trump administration in the US Court of International Trade in New York on Wednesday to stop its tariff policy, saying it is unlawful and has brought chaos to the American economy.

The lawsuit said the policy put in place by President Donald Trump has been subject to his “whims rather than the sound exercise of lawful authority.”

It challenged Trump’s claim that he could arbitrarily impose tariffs based on the International Emergency Economic Powers Act. The suit asks the court to declare the tariffs to be illegal, and to block government agencies and its officers from enforcing them.

The states listed as plaintiffs in the lawsuit were Oregon, Arizona, Colorado, Connecticut, Delaware, Illinois, Maine, Minnesota, Nevada, New Mexico, New York, and Vermont.

In a release, Arizona Attorney General Kris Mayes called Trump's tariff scheme “insane.”

She said it was “not only economically reckless -- it is illegal.”

Connecticut Attorney General William Tong said “Trump's lawless and chaotic tariffs are a massive tax on Connecticut families and a disaster for Connecticut businesses and jobs.”

The lawsuit maintained that only Congress has the power to impose tariffs and that the president can only invoke the International Emergency Economic Powers Act when an emergency presents an “unusual and extraordinary threat” from abroad.

“By claiming the authority to impose immense and ever-changing tariffs on whatever goods entering the United States he chooses, for whatever reason he finds convenient to declare an emergency, the President has upended the constitutional order and brought chaos to the American economy,” the lawsuit said.

Last week, California Governor Gavin Newsom, a Democrat, sued the Trump administration in US District Court in the Northern District of California over the tariff policy, saying his state could lose billions of dollars in revenue as the largest importer in the country.

White House spokesperson Kush Desai responded to Newsom's lawsuit, saying the Trump administration "remains committed to addressing this national emergency that’s decimating America’s industries and leaving our workers behind with every tool at our disposal, from tariffs to negotiations.”

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