The Republican leader did not elaborate on which countries would be charged how much tariffs, or if the tariffs would be charged at higher rates on certain goods.

US President Donald Trump said his administration will probably start notifying trading partners Friday of the new US tariff on their exports effective Aug. 1, while reiterating a preference for simplicity over complicated negotiations five days before his deadline for deals.

The United States will place a lower-than-promised 20% tariff on many Vietnamese exports, Donald Trump said on Wednesday, cooling tensions with its tenth-biggest trading partner days before the U.S. president could raise levies on most imports.