President-elect Donald Trump took to Truth Social on Monday to deny a report that he might moderate plans for across-the-board tariffs when he retakes the White House, fanning uncertainty about one of the most hotly anticipated policy moves he’s set to make.

President-elect Trump has vowed to impose a new slate of tariffs on imported goods as part of an effort to boost domestic production, raise federal revenues and punish competing nations, but the exact details of the plan are still unknown.