BIS Temporary Final Rule, Anti-Stockpiling Measures for Polysilicon Imports Under Proclamation 11052

The Bureau of Industry and Security issued a temporary final rule on September 24, 2026, implementing Proclamation 11052 (August 6, 2026), which directs Commerce to restrict imports by companies stockpiling polysilicon or polysilicon derivatives ahead of import adjustments effective December 4, 2026. The rule establishes monitoring criteria, import prohibitions for stockpilers, a waiver process, and import...