CSMS 5090410·Trade policy·March 31, 2025·View on csms.cbp.gov ↗

Notice of final determination in the antidumping duty investigation of ferrosilicon from Brazil (A-351-860)

Plain-English explanation

CSMS 5090410 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (trade policy), published on March 31, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "Notice of final determination in the antidumping duty investigation of ferrosilicon from Brazil (A-351-860)". It links to 1 AD/CVD case in Tandom's catalog. 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.

Linked AD/CVD cases(1)

Cases referenced or affected by this CSMS message

A-351-860

Message body

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

1. On 03/28/2025, Commerce published in the Federal Register (90 FR 14112) its final affirmative determination of sales at less-than-fair-value in the antidumping duty investigation of ferrosilicon from Brazil (A-351-860). 2. The products covered by this investigation are described in message 4116402, dated 04/25/2024. 3. This proceeding has been assigned case number A-351-860. 4a. For imports of ferrosilicon from Brazil, CBP shall continue to suspend liquidation of such shipments entered, or withdrawn from warehouse, for consumption on or after 11/06/2025 (date suspension first started). Effective 03/28/2025, CBP shall require, for such entries, a cash deposit equal to the margins for the producers and/or exporters listed below: Producer and/or exporter: Companhia de Ferro Ligas da Bahia S.A. Case number: A-351-860-001 Cash deposit rate: 13.66% Producer and/or Exporter: Ligas de Aluminio S.A. Case number: A-351-860-002 Cash deposit rate: 21.78% All Others Case number: A-351-860-000 Cash deposit rate: 13.66% 4b. Commerce found a zero or de minimis dumping margin for imports of subject merchandise for the producer/exporter identified below. Accordingly, CBP is directed not to suspend liquidation of imports of shipments, and not to collect cash deposits, from the producer/exporter as it will be excluded from any potential order. Producer and/or Exporter: Minasligas S.A. Case number: A-351-860-003 5. If any entries of this merchandise are exported by a firm other than the producer, then the following instructions apply: A. If the exporter of the subject merchandise does not have its own rate but the producer has its own rate, the cash deposit rate will be the producer's rate. B. Where neither the exporter nor the producer currently has its own rate or the producer is unknown, use the all-others rate of 13.66 percent to establish the cash deposit rate. 6. If there are any questions by the importing public regarding this message, please contact the Call Center for the Office of AD/CVD Operations, Enforcement and Compliance, International Trade Administration, U.S. Department of Commerce at (202) 482-0984. CBP ports should submit their inquiries through authorized CBP channels only. (This message was generated by OVIII:JCM.) 7. There are no restrictions on the release of this information. Alexander Amdur

Frequently asked questions

What is CSMS 5090410?

CSMS 5090410 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Notice of final determination in the antidumping duty investigation of ferrosilicon from Brazil (A-351-860)". 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 5090410 published?

CBP published CSMS 5090410 on March 31, 2025. The bulletin's instructions are typically operative as of the publication date unless the body specifies a different effective date.

Which AD/CVD cases does CSMS 5090410 affect?

CSMS 5090410 references 1 AD/CVD case (A-351-860). The links on this page take you to each linked order with its current scope, rates, and history.

Is the CBP CSMS the legally binding instruction?

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Cash deposit cascade, separate rates, all-others, and PRC-wide rates. Worked example on case A-570-910 (galvanized welded steel pipe from China) with three exporter-specific rates.