U.S. Imposes 15% Section 232 Tariff on Polysilicon and Its Derivatives (Import Ban Guidance Issued)
Latest Update: CBP issued guidance on an import ban for certain polysilicon products when Commerce determines that an importer of record exceeds historic import volumes or applicable weekly quantity limits. Affected importers cannot make further entries before December 4, 2026, but may apply to Commerce for a waiver of the prohibition.