Adjusting Imports of Polysilicon and Its Derivatives Into the United States
Federal Register · Final action
Written to help non-specialists understand this page. Rates, dates, and legal facts come from the official records above and on the linked source.
A Section 232 measure is a U.S. trade action based on a finding that certain imports may affect national security. A measure titled “Adjusting Imports of Polysilicon and Its Derivatives Into the United States” may cover polysilicon itself and specified downstream products, depending on the official scope. “Derivatives” generally means products made from, containing, or further processed from the named material, but the legal text controls what is included.
This type of measure typically affects manufacturers, distributors, and importers whose goods match the covered product descriptions or Harmonized Tariff Schedule of the United States (HTSUS) provisions. It matters because covered goods may require additional entry reporting, documentation, or an applicable trade remedy payment, separate from ordinary customs duty. Classification, country of origin, exclusions, and any stated exceptions must be reviewed against the official measure and Customs and Border Protection (CBP) instructions; a customs broker or trade counsel may be needed for difficult products.
What to check
- Read the official scope carefully, including product descriptions, HTSUS provisions, derivative-product language, exclusions, and exceptions.
- Classify the merchandise under the correct HTSUS subheading and do not rely on a product name alone; review its composition, processing, and intended use.
- Confirm the product’s country of origin using applicable origin rules, because origin may affect whether the measure applies and how the entry is reported.
- Ask your customs broker to verify the required entry data, additional tariff or reporting provisions, and any certification or exclusion procedures.
- Keep technical specifications, bills of materials, supplier origin records, and classification rationale to support the importer’s determination if CBP requests substantiation.
Legal basis
Section 232 of the Trade Expansion Act of 1962; section 604 of the Trade Act of 1974
Affected HTS entries
| Code | Linked scope |
|---|---|
| 2804.61.00.00 (2804610000) | 10 digits |
| 3818.00.00.20 / 3818000020 | 10 digits |
| 3818.00.00.40 / 3818000040 | 10 digits |
| 3818.00.00.45 / 3818000045 | 10 digits |
| 3818.00.00.50 / 3818000050 | 10 digits |
| 3818.00.00.91 / 3818000091 | 10 digits |
| 8541.42.00 / 85414200 | 8 digits |
| 8541.42.00.10 / 8541420010 | 10 digits |
| 8541.42.00.80 / 8541420080 | 10 digits |
| 8541.43.00 / 85414300 | 8 digits |
| 8541.43.00.10 / 8541430010 | 10 digits |
| 8541.43.00.80 / 8541430080 | 10 digits |
Only leaf-linked HTS entries open to full code pages; smaller code scopes are grouped upstream.