CSMS 66024698·System update·August 25, 2025·View on csms.cbp.gov ↗

Updated ACE Air CAMIR Appendix A: Codes Posted on CBP.gov

Plain-English explanation

CSMS 66024698 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (system update), published on August 25, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "Updated ACE Air CAMIR Appendix A: Codes Posted on CBP.gov". 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 # 66024698 - Updated ACE Air CAMIR Appendix A: Codes Posted on CBP.gov U.S. Customs and Border Protection sent this bulletin at 08/25/2025 02:13 PM EDT Cargo Systems Messaging Service CSMS # 66024698 - Updated ACE Air CAMIR Appendix A: Codes Posted on CBP.gov U.S. Customs and Border Protection (CBP) has updated the ACE Air CAMIR Appendix A: Codes posted on cbp.gov with the following changes: To prevent the export of the in-bond due to the Bill of Lading being held the following error code: 180 - BILL IN HELD STATUS was added. The following error code: 201 - DUPLICATE MESSAGES DETECTED was added as a safeguard to prevent unnecessary duplications of Flight Departure messages for the exact same flight that could cause delays in the filing process. This document is available here at: ACE Air CAMIR Appendix A: Codes Note: We will announce Certification (CERT) and Production (PROD) dates for these specific technical changes in a future CSMS. Please reach out to your Client Representative if you have any technical-related questions. If you have any questions about this message, please contact 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 66024698?

CSMS 66024698 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Updated ACE Air CAMIR Appendix A: Codes Posted on CBP.gov". 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 66024698 published?

CBP published CSMS 66024698 on August 25, 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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