Senator Elizabeth Warren highlighted fears that the "chaotic approach" to trade could enable corporations to increase prices "regardless of whether goods are actually subject to tariffs."

Previously, packages worth up to $2,500 could enter the U.S. with minimal paperwork but the threshold has been lowered.

Trump’s 25% tariffs on imported cars and parts, along with Canada’s retaliatory duties, have forced Mazda and other foreign brands to balance short-term relief with long-term consequences.

Under the measures, Chinese ship owners and operators will initially be charged $50 per ton of cargo, rising by $30 a ton each year for the next three years. 

U.S. imports fell by 64% between March 31 and April 8, while U.S. exports dipped by 30%, driven in large part by the fallout from sweeping tariffs announced by Trump.

Most companies said bringing back supply chains within the U.S. could as much as double their costs, and it would be more cost-effective to relocate them to lower-tariffed countries.

The lawsuit argues that the U.S. president’s invocation of emergency powers to unilaterally escalate a global trade war, which has raised fears of recession, is unlawful.

“The U.S. is unreasonable, bullying and imposing tariffs abusively,” the postal service said in a statement posted to the Hong Kong government’s website.

Aponte and his family-controlled Terminal Investment Ltd. are the main investors in a consortium looking to buy 43 ports from Li Ka-shing's CK Hutchison Holdings.

The Trump administration faces a similar lawsuit in Florida federal court, where a small business owner has asked a judge to block tariffs imposed on China.