The president extended his pause on so-called “reciprocal tariffs” on U.S. trading partners till August 1 and indicated that the new deadline was not set in stone.

President Donald Trump unveiled a wave of letters again threatening key trading partners with high tariff rates even as he delayed the increased duties until Aug. 1 and suggested that he was still open to negotiations.

The country’s new president, in office for a little over a month, had just dispatched his senior deputies to Washington to try to work out a trade deal.