Trump invoked a law called the International Emergency Economic Powers Act on April 2 to set a blanket 10% tariff on all imports and, initially, additional duties on almost 60 countries that have the largest trade surpluses with the US.

President Donald Trump’s sweeping new tariffs, including a 10% blanket levy on all imports, officially took effect this weekend — and legal pushback is already underway, The Wall Street Journal reported on Sunday.