CSMS 65085008·Operational·May 19, 2025·View on csms.cbp.gov ↗

ACE Air, Ocean and Rail CAMIR New De Minimis Notification Code

Plain-English explanation

CSMS 65085008 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on May 19, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "ACE Air, Ocean and Rail CAMIR New De Minimis Notification Code". 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 # 65085008 - ACE Air, Ocean and Rail CAMIR New De Minimis Notification Code U.S. Customs and Border Protection sent this bulletin at 05/19/2025 01:14 PM EDT Cargo Systems Messaging Service CSMS # 65085008 - ACE Air, Ocean and Rail CAMIR New De Minimis Notification Code The ACE Air Import Manifest Appendix A and the ACE Ocean/Rail Import Manifest Appendix D implementation guides have been updated with the following notification code: 4M - Withhold Entry Release - De Minimis Met If a filer receives this code, it means that the shipment’s value exceeds the de minimis threshold. Accordingly, the filer will need to request a different type of clearance. Please note that this code is part of the Section 321 – Does Not Exceed $ 800 in Aggregated Shipments enhancement in ACE and is not yet deployed in the CERT or Production environment. The CERT and Production deployment dates will be announced in a later CSMS message. Please reach out to your Client Representative if you have any technical-related questions. For any questions about this update, please email CREM@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 65085008?

CSMS 65085008 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "ACE Air, Ocean and Rail CAMIR New De Minimis Notification Code". 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 65085008 published?

CBP published CSMS 65085008 on May 19, 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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