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  1. AD/CVD Catalog
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  5. CSMS 65136263
CSMS 65136263·Trade policy·May 23, 2025·View on csms.cbp.gov ↗

Initiation of Antidumping and Countervailing Duty Investigations: Silicon Metal from Angola, Australia, the Lao People’s Democratic Republic (Laos), Norway, and Thailand

Plain-English explanation

CSMS 65136263 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (trade policy), published on May 23, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "Initiation of Antidumping and Countervailing Duty Investigations: Silicon Metal from Angola, Australia, the Lao People’s Democratic Republic (Laos), Norway, and Thailand". CSMS messages are the operational layer between Commerce determinations and at-the-border collections: when Commerce publishes a new rate, scope ruling, or instruction, CBP turns it into a CSMS that ACE/ACS systems and brokers act on.

Message body

Full text as published by U.S. Customs and Border Protection

CSMS # 65136263 - Initiation of Antidumping and Countervailing Duty Investigations: Silicon Metal from Angola, Australia, the Lao People’s Democratic Republic (Laos), Norway, and Thailand U.S. Customs and Border Protection sent this bulletin at 05/23/2025 03:55 PM EDT   Cargo Systems Messaging Service CSMS # 65136263 - Initiation of Antidumping and Countervailing Duty Investigations: Silicon Metal from Angola, Australia, the Lao People’s Democratic Republic (Laos), Norway, and Thailand On May 14, 2025, the Department of Commerce (Commerce) initiated its less-than-fair-value and countervailing duty investigations on “Silicon Metal from Angola, Australia, Laos, Norway, and Thailand ” (Initiation Notices). These investigations have been assigned the following case numbers: A-762-001 (Angola), A-602-813 and C-602-814 (Australia), A-553-001 and C-533-002 (Laos), A-403-806 and C-403-807 (Norway), C-549-856 (Thailand).   The Scope of Merchandise covered by these investigations reads as follows: The scope of these investigations covers all forms and sizes of silicon metal, including silicon metal powder. Silicon metal contains at least 85.00 percent but less than 99.99 percent silicon, and less than 4.00 percent iron, by actual weight. Semiconductor grade silicon (merchandise containing at least 99.99 percent silicon by actual weight and classifiable under Harmonized Tariff Schedule of the United States [HTSUS] subheading 2804.61.0000) is excluded from the scope of these investigations. Silicon metal is currently classifiable under subheadings 2804.69.1000 and 2804.69.5000 of the HTSUS. While the HTSUS numbers are provided for convenience and customs purposes, the written description of the scope remains dispositive. Parties may submit comments on the scope of the investigations. Please be sure to comply with all requirements pertaining to submitting comments as described in the forthcoming Initiation Notices. Upon their publication in the Federal Register, the Initi ation Notic es may be found at www.federalregister.gov via the search bar using the case numb ers assigned to these investigations. Importers should be aware that entries of subject merchandise made after the initiation of an investigation may retroactively be subject to antidumping and/or countervailing duties. For questions about CBP’s AD/CVD enforcement, see Priority Trade Issue: Antidumping and Countervailing Duties | U.S. Customs and Border Protection (cbp.gov)   Update your subscriptions, modify your password or e-mail address, or stop subscriptions at any time on your Subscriber Preferences Page . You will need to use your e-mail address to log in. If you have questions or problems with the subscription service, please contact subscriberhelp.govdelivery.com . This service is provided to you at no charge by U.S. Customs and Border Protection . Privacy Policy | GovDelivery is providing this information on behalf of U.S. Department of Homeland Security, and may not use the information for any other purposes. Powered by Privacy Policy | Cookie Statement | Help

Frequently asked questions

What is CSMS 65136263?

CSMS 65136263 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Initiation of Antidumping and Countervailing Duty Investigations: Silicon Metal from Angola, Australia, the Lao People’s Democratic Republic (Laos), Norway, and Thailand". CSMS bulletins are the operational instructions CBP issues to brokers, importers, and ACE filers covering rate changes, system updates, scope guidance, and other day-to-day customs-operations changes.

When was CSMS 65136263 published?

CBP published CSMS 65136263 on May 23, 2025. The bulletin's instructions are typically operative as of the publication date unless the body specifies a different effective date.

Is the CBP CSMS the legally binding instruction?

Yes — for at-the-border filing and entry collection. CSMS messages translate Commerce's Federal Register determinations into operational CBP instructions that ACE/ACS systems and brokers execute. The Federal Register notice is the underlying legal authority; the CSMS is the operational implementation. Both should be read together when reconciling a rate or scope change.

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