U.S. President Donald Trump will call Monday for his chief trade adviser to investigate China’s intellectual property practices, the website Politico reported, citing an unnamed administration official.

Trump had been expected to order a so-called Section 301 investigation under the 1974 Trade Act earlier this month, but action had been postponed as the White House pressed for China’s cooperation in reining in North Korea’s nuclear program.

Politico said it was not clear how much detail Trump would provide in his announcement, but that administration officials expected U.S. Trade Representative Robert Lighthizer to open a Section 301 probe.

Officials at the White House and U.S. Trade Representative’s office were not immediately available for comment.

Trump has suggested he would go easier on China if it were more forceful in getting North Korea to rein in its nuclear weapons program.

While China joined in a unanimous U.N. Security Council decision to tighten economic sanctions on Pyongyang over its long-range missile tests, it is not clear whether Trump thinks Beijing is doing enough.

“We lose hundreds of billions of dollars a year on trade with China. They know how I feel,” he told reporters Thursday. “If China helps us, I feel a lot different toward trade.”

Trump will make a day trip to Washington Monday, briefly interrupting his 17-day August working vacation, a White House official said Friday.

Politico said the investigation would not mean immediate sanctions, but could ultimately lead to steep tariffs on Chinese goods.

In addition to the United States, the European Union, Japan, Germany and Canada have all expressed concern about China’s behavior on intellectual property theft. The technology sector has been especially hard hit in IP disputes.

Trump’s threat to investigate China’s intellectual property and trade practices is valid, but his administration may not be up to the delicate task of carrying out a new China probe without sparking a damaging trade war, U.S. business lobbyists said last week.
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