CSMS 64605146·Operational·April 1, 2025·View on csms.cbp.gov ↗

Update: Import Duties on Imports of Aluminum Derivative Products

Plain-English explanation

CSMS 64605146 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on April 1, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "Update: Import Duties on Imports of Aluminum Derivative Products". 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 # 64605146 - Update: Import Duties on Imports of Aluminum Derivative Products U.S. Customs and Border Protection sent this bulletin at 04/01/2025 12:20 PM EDT Cargo Systems Messaging Service CSMS # 64605146 - Update: Import Duties on Imports of Aluminum Derivative Products The Automated Commercial Environment (ACE), as of March 12, 2025, inadvertently required imports under four Harmonized Tariff Schedule of the United States (HTSUS) classifications, 8418.99.8010, 8418.99.8015, 8418.99.8020 and 8418.99.8025, to pay Section 232 duties under HTS 9903.85.08. The functionality in ACE has been updated to no longer require the filer to transmit 9903.85.08 with 8418.99.8010, 8418.99.8015, 8418.99.8020 and 8418.99.8025 effective March 27, 2025. Corrective Actions to be Taken: Filers who entered goods on or after March 12, 2025, under the HTSUS listed above with 9903.85.08 and paid section 232 duties should file a PSC correcting the entry summary line(s) by removing 9903.85.08 to obtain refunds of duties paid. PSCs can be filed on any unliquidated entries to request a refund of duties paid under a trade remedy. Once an entry has liquidated, a protest may be filed within 180 days of the date of liquidation. Reminder: importers, brokers, and/or filers should refer to CSMS # 64018403 (Updated - Entry Summary Order of Reporting For Multiple Harmonized Tariff System (HTS) in ACE) for guidance when filing an entry summary in which a heading or subheading in Chapter 99 is claimed on imported merchandise. For more information on Adjusting Imports of Aluminum into The United States, see 90 FR 9807 and 90 FR 11251 . For questions regarding Section 232 entry filing, contact the Trade Remedy Branch at TradeRemedy@cbp.dhs.gov . If you encounter any errors in filing an entry summary, contact your CBP client representative or the ACE Help Desk. Related CSMS messages: # 64348288 and # 64384496 aluminumHTSlist final.pdf Section 232 chart Final.pdf 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 64605146?

CSMS 64605146 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Update: Import Duties on Imports of Aluminum Derivative Products". 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 64605146 published?

CBP published CSMS 64605146 on April 1, 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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