President Trump on Friday cleared the way for Japan-based Nippon Steel to potentially acquire U.S. Steel, though details about the structure of the deal — including a possible "golden share" held by the federal government — remain unclear.

The companies said they had entered into an agreement with the U.S. government to alleviate any national security concerns.

President Donald Trump issued an executive order on Friday officially giving the green light to Nippon Steel Corporation's multi-billion-dollar purchase of U.S. Steel Corporation.

U.S. President Donald Trump said on Thursday the United States had a "golden share" in U.S. Steel as part of a deal for Nippon Steel to buy the iconic American company.

WASHINGTON (Reuters) -A U.S. Appeals court on Friday extended a pause in litigation between Nippon Steel and the Trump administration as the two sides put the finishing touches on an agreement that would allow the Japanese steelmaker to acquire U.S. Steel.