CSMS 58970525·Operational·January 8, 2024·View on csms.cbp.gov ↗

Harmonized System Update (HSU) 2400 and 2401

Plain-English explanation

CSMS 58970525 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on January 8, 2024. It carries the official CBP guidance brokers and importers must follow for the topic — "Harmonized System Update (HSU) 2400 and 2401". 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 # 58970525 - Harmonized System Update (HSU) 2400 and 2401 U.S. Customs and Border Protection sent this bulletin at 01/08/2024 04:31 PM EST Cargo Systems Messaging Service CSMS # 58970525 - Harmonized System Update (HSU) 2400 and 2401 Harmonized System Update (HSU) 2400 was created on January 5, 2024, and contains 77 Harmonized Tariff Records and 397 ABI records. Harmonized System Update (HSU) 2401 was created on January 8, 2024, and contains 73 Harmonized Tariff Records and 383 ABI records. HSU 2400 and 2401 includes the missing 2024 HTS updates that were part of the end of year 484(f) changes. The latest HTS extract file does include updates from both HSU 2400 and 2401. For additional information on the 2024 HTS updates please refer to hts.usitc.gov . Questions or concerns should be directed to HTS Admin at HTSAdmin@cbp.dhs.gov . Related message: CSMS # 58918402 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 58970525?

CSMS 58970525 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Harmonized System Update (HSU) 2400 and 2401". 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 58970525 published?

CBP published CSMS 58970525 on January 8, 2024. 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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