# 2026-16400: President Tweaks US Imports of Polysilicon and Derivatives for Security

2026-16400, Adjusting Imports of Polysilicon and Its Derivatives Into the United States, is a Federal Register presidential document from Executive Office of the President published 2026-08-11, effective 2026-12-04; PRIA reads it as touching household money (as of 2026-08-18).

- Canonical: https://policyrisk.com/federal-register/2026-16400
- As of: 2026-08-18
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-16400
- Title: Adjusting Imports of Polysilicon and Its Derivatives Into the United States
- Type: Presidential Document
- Agencies: Executive Office of the President
- Citation: 91 FR 51975
- Published: 2026-08-11
- Effective: 2026-12-04
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-08-18

## In one line

President Tweaks US Imports of Polysilicon and Derivatives for Security

## Summary

No summary available.

## Effects PRIA read

- Minimum Import Prices Set for Polysilicon: cost, high. The proclamation establishes minimum import prices (MIPs) for covered products: $21 per kilogram for polysilicon; $100 per kilogram for polysilicon ingots and wafers; $0.22 per watt for solar cells; and $0.38 per watt for solar modules. The MIP program takes effect for goods entered on or after 12:…
- 15% Ad Valorem Duty on Derivative Imports: cost, high. Beginning for goods entered on or after 12:01 a.m. Eastern on December 4, 2026, imports of polysilicon ingots and polysilicon derivatives specified in the proclamation are subject to an additional 15 percent ad valorem duty. For products of Japan, Korea, Taiwan, Switzerland, Liechtenstein, or a mem…
- Onshoring Incentives for U.S. Production: benefit, medium. The Secretary of Commerce is authorized to solicit, approve, and monitor company-specific onshoring plans to build, refurbish, or expand U.S. facilities producing polysilicon, ingots, wafers, and cells. Approved plans must commit to start construction by January 20, 2029 and can allow importation o…
- CBP Enforcement and Penalties for Violations: cost, medium. U.S. Customs and Border Protection (CBP) will monitor importer documentation for the MIP program; if CBP finds documentation materially inaccurate or an importer materially noncompliant, that importer and its affiliates may be permanently prohibited from importing polysilicon and polysilicon deriva…
- Manufacturing Drawback Availability for Trade Partners: benefit, low. Manufacturing drawback claims under 19 U.S.C. 1313(a)-(b) are available for duties imposed by this proclamation for articles that meet three conditions: (a) the article is not subject to an antidumping or countervailing duty order; (b) the article is a product of specified Trade Agreement Partners…
- Foreign-Trade Zone Admission and Duty Treatment: cost, low. Any product subject to duties under the proclamation that is admitted into a U.S. foreign-trade zone on or after the effective date may be admitted only under 'privileged foreign status' (19 CFR 146.41); products admitted under privileged foreign status prior to the effective date will be subject u…

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## Sources
- [2026-16400 on federalregister.gov](https://www.federalregister.gov/documents/2026/08/11/2026-16400/adjusting-imports-of-polysilicon-and-its-derivatives-into-the-united-states)
- [2026-16400 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-08-11/pdf/2026-16400.pdf)

## Related
- [Previous: 2026-16312, Continuation of U.S. Drug Interdiction Assistance to the Government of Colombia](https://policyrisk.com/federal-register/2026-16312)
- [Next: 2026-16401, National Purple Heart Day, 2026](https://policyrisk.com/federal-register/2026-16401)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-16400 (as of 2026-08-18).