The US has levied tariffs of 10 percent on every trading partner in the world.

The tariffs come after the Supreme Court ruled specific tariffs on different countries set by President Donald Trump were unconstitutional. Tariffs are paid by the importer, not the exporter.

A US Customs and Border Protection duties notice highlights a few exemptions, including some vehicle-focused supply chain materials. 'Semiconductor articles' are included in that exemption, but it is not clear if that is only for automotive chip supplies.

After the Supreme Court blocked import taxes on Friday, the president said he would introduce a 10 percent global rate. On Saturday, he increased his threats to 15 percent.

That additional five percent tax could still happen, although no timeline has been given.

The new tariffs have been levied under Section 122 of the 1974 Trade Act, which allows the President the ability to impose the charge for 150 days without Congressional approval.

Trump had used the International Emergency Economic Powers Act of 1977 to justify his previous tariffs, which the Supreme Court ruled did not give him the authority to set tariffs.

With those tariffs ruled unconstitutional, importers are seeking refunds for duties paid - but Trump said that the government would fight any such efforts in courts.