HARRISBURG, Pa. (AP) — U.S. Sen. David McCormick said Tuesday that an arrangement that will allow Japan-based Nippon Steel to invest in U.S. Steel will guarantee an American CEO, a majority of board members from the United States and U.S. government approval over certain corporate functions.

The Pennsylvania senator spoke on CNBC, four days after President Donald Trump suggested that an agreement on a “partnership” was at hand to resolve Nippon Steel’s nearly $15 billion bid to buy iconic American steelmaker U.S. Steel that has been blocked on national security grounds.

McCormick suggested that the idea was Nippon Steel’s proposal.

Nippon Steel has yet to say anything about whether it is willing to accept the concept described by Trump and McCormick in place of its bid to buy the company.

As it sought to win over American officials amid a national security review, Nippon Steel gradually increased the amount of money it’s pledging to invest into U.S. Steel on top of the purchase bid. That amount now comes to $14 billion, according to Trump, McCormick and Pennsylvania state Sen. Kim Ward, who valued the deal at $28 billion.

Combining Nippon Steel and U.S. Steel would create the world’s 3rd largest steel producer in the industry.