CSMS 56816173·Operational·June 30, 2023·View on csms.cbp.gov ↗

Harmonized System Update (HSU) 2308 created on June 30, 2023

Plain-English explanation

CSMS 56816173 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on June 30, 2023. It carries the official CBP guidance brokers and importers must follow for the topic — "Harmonized System Update (HSU) 2308 created on June 30, 2023". 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 # 56816173 - Harmonized System Update (HSU) 2308 created on June 30, 2023 U.S. Customs and Border Protection sent this bulletin at 06/30/2023 03:29 PM EDT Cargo Systems Messaging Service CSMS # 56816173 - Harmonized System Update (HSU) 2308 created on June 30, 2023 Harmonized System Update (HSU) 2308 was created on June 30th, 2023, and contains 855 ABI records and 178 harmonized tariff records. This update contains modifications mandated by the 484 (F) Committee, the Committee for Statistical Annotation of the Tariff Schedules, effective July 1, 2023. The specific modifications are listed in the USHTS 2023 Revision 9, found at https://hts.usitc.gov/ Questions or concerns with the Harmonized System Update should be directed to HTS admin at HTSAdmin@cbp.dhs.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 56816173?

CSMS 56816173 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Harmonized System Update (HSU) 2308 created on June 30, 2023". 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 56816173 published?

CBP published CSMS 56816173 on June 30, 2023. 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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