The US Department of Commerce has launched investigations into imports of polysilicon and drones.

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2025-07-15

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A notice released Monday by the U.S. Department of Commerce shows that the Trump administration has begun an investigation into the import of a semiconductor material and unmanned aircraft systems (UAS) to determine their impact on U.S. national security. The Department of Commerce's Bureau of Industry and Security published a notice in the Federal Register of an investigation initiated by Secretary of Commerce Wilbur Ross on July 1, 2018, under Section 232 of the Trade Expansion Act of 1962, into polysilicon and drones, which could be a step toward imposing tariffs on these products.

Under Section 232, the U.S. president has the authority to adjust tariffs on products when it is determined that imported goods threaten national security. The Department of Commerce's Bureau of Industry and Security stated in the notice that the investigation will assess the impact of imports of polysilicon and its derivatives, and drones and their components, on U.S. national security. Polysilicon is a key material used in the semiconductor industry.

The department plans to collect public comments within 21 days of the official release of the notice. By law, the U.S. Secretary of Commerce has 270 days to submit the Department's findings and recommendations on the imported products to the president. Within 90 days of receiving the Secretary of Commerce's report, the U.S. president will decide whether he agrees with the department's findings and make a determination.

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