The administration accused companies of pushing for a speedy schedule out of an “apparent desire to be the center of attention” in the future proceedings before the trade court.

The Strait is one of the most important focal points at times of tension with Iran, because a fifth of the world’s seaborne oil and liquefied natural gas goes through it each day.

The uplift to 15%, announced by Trump one day later after the 10% rate, has yet to be implemented, but could be introduced at any time.

Although there are clear precedents, the current plan has some unusual factors.

“We have tariffs,” President Trump said. “We just have them in a different way.”

Among the major questions left unanswered for U.S. importers are how they recoup the money the government collected over the past year.

Indonesia and the U.S. will form a council to address any disputes and perceived imbalances in their bilateral trade.

Japan's trade minister said last year that only 1-2% of the $550 billion mechanism would consist of cash investments, with the majority coming from loans and loan guarantees.

The closure comes as the U.S. and Iran hold the second round of negotiations in Geneva, Switzerland, to discuss Iran's nuclear program.

More than 600 tankers have been sanctioned by a combination of the European Union, the U.K. and U.S. for their links to Russia.