The Supreme Court rejected hearing a case that would challenge the Trump administration’s steel tariffs on Monday.

Their decision upheld President Donald Trump’s right to impose the tariffs on the basis of national security with no noted dissidents.

According to a report from The Hill, the American Institute for International Steel and two other companies had attempted to challenge the administration’s use of section 232 of the Trade Expansion Act of 1962 to impose the tariffs.

In their court filing, the organization questioned if the use of section 232 was “facially unconstitutional on the ground that it lacks any intelligible principle and therefore constitutes an improper delegation of legislative authority and violates the principles of separation of powers and checks and balances established by the Constitution.”

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“Section 232 essentially turns over to the president the entirety of Congress’s constitutional power to impose tariffs and other restrictions on imports,” the American Institute for International Steel argued.

Trump had ordered the 25% tariffs on steel imports early last year and it has already generated $4.5 billion in revenue so far. The organizations claim that this has caused “irreparable and ongoing harm” to their business.

The organizations had been seeking to take the case to the Supreme Court without fully going through the federal appeals process first, as they claimed that the administration may be considering more tariffs in the coming months.