AIBRIEF
Chipmaker TSMC's U.S. commitment grew to $265 billion a week before the rate fell from 15% to about 10%.
The Trump administration lowered tariffs on imported Taiwanese goods from about 15% to roughly 10%, a week after chipmaker TSMC announced an additional $100 billion in U.S. investment, bringing the company's total U.S. commitment to $265 billion.
The administration cited Taiwan's failure to enforce a prohibition on goods produced with forced labor as its reason, the same accusation it has leveled against the U.K. A NIST press release confirmed the TSMC pledge, and the rate change landed in the same political window.
The new tariff regime sits on contested legal ground. Earlier this year, the U.S. Supreme Court ruled that Trump's earlier tariffs were illegal, a precedent that limits how durable this latest move can be.
John Fowler, a semiconductor supply chain professor at Arizona State University, told KJZZ the tariff shift was at least partly attributable to TSMC's investment leverage, though his framing hedged: "I think the Taiwanese government can say, 'Look, we got TSMC to do this.'" The NBC News report and a USTR fact sheet frame the cut as a deal outcome, and Taipei Times coverage shows the parallel forced-labor accusation. What remains undocumented is any direct exchange: the reference basis supports temporal proximity, not a confirmed quid pro quo.