President Donald Trump has been sending letters to countries outlining higher tariffs they’ll face if they don’t make trade deals with the U.S. by Aug. 1.

President Trump is alerting countries around the world of impending tariff rates that they will face when sending goods to the United States, hitting prominent trading partners and poorer nations

Instead on Wednesday, Trump continued to threaten countries with higher tariffs in the near future by publishing open letters to the Philippines, Brunei, Moldova, Algeria, Iraq, Libya and Sri Lanka that set new tariff rates ranging from 20% to 30% that he said he would impose on Aug. 1.