President Donald Trump, on board Air Force One on Sunday, said tariffs "are going to be the greatest thing we've ever done as a country," and are going to make the U.S.

The Trump administration has invoked new trade act provisions to enact the president's broad tariffs in wake of the the Supreme Court's ruling.

Companies that paid tariffs, and customs brokers that paid duties on an importer's behalf, are eligible. If approved, businesses should expect to get their refunds within 60 to 90 days. The rollout of the refund portal Monday has been a bit shaky, which experts say may be tied to the high volume of businesses looking to apply.

President Donald Trump says he'll enact a 10% global tariff using other federal laws after the Supreme Court ruled against his far-reaching global tariffs on Friday.

Importers of European cheese, a sleeping bag company for infants and a ceramics business are pushing for and against potential new tariffs.

By Emily Green, David Lawder and David Shepardson MEXICO CITY, April 21 (Reuters) - U.S. Trade Representative Jamieson Greer has told Mexico's auto and steel industries they should not expect the renegotiation of the U.