Trump explained earlier that he will begin sending letters to 10 - 12 countries on August 4 informing them of the tariff rates. He said that tariff rates would “probably range from 60% or 70% to 10% or 20%,” most of which would take effect on August 1.
U.S. President Trump announced on April 4 that he has signed a letter outlining tariff rates for 12 trading partners, which he will send on the 7th. He declined to say which countries would be targeted.