CSMS 64891507·System update·April 29, 2025·View on csms.cbp.gov ↗

Updates to ACE CATAIR Error Dictionary for Entry Summary

Plain-English explanation

CSMS 64891507 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (system update), published on April 29, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "Updates to ACE CATAIR Error Dictionary for Entry Summary". 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 # 64891507 - Updates to ACE CATAIR Error Dictionary for Entry Summary U.S. Customs and Border Protection sent this bulletin at 04/29/2025 02:30 PM EDT Cargo Systems Messaging Service CSMS # 64891507 - Updates to ACE CATAIR Error Dictionary for Entry Summary In accordance with 90 FR 17608 , U.S. Customs and Border Protection (CBP) has updated the ACE CATAIR Error Dictionary for Entry Summary (V42) with the following changes, effective April 30, 2025 : Updated definition for error 646 - ARTCL VALUE EXCEEDS INFRML LIMIT FOR HTS to increase the informal limit threshold for the total merchandise value for an HTS on a line from $ 250 to $ 2,500. Updated definition for error 648 - TOTAL VALUE EXCEEDS INFRML LIMIT to increase the informal limit threshold for a Shipment Usage Type of 'X' (Commercial Sample Shipment) from $ 250 to $ 2,500 (based on the total merchandise value for the entire summary). Updated definition for error 664 - CHARGES AMOUNT REQUIRED to increase the informal limit threshold for the merchandise value from $ 250 to $ 2500 when the 40-Record Charges Amount = $ 0, and any HTS number on the line requires Formal Entry. The updated document is available in the “Supporting Documents” section of CBP’s ACE CATAIR webpage . For technical questions regarding this update, contact your assigned Client Representative. Other questions should be directed to CBP’s Entry Summary Accounts & Revenue Division (ESAR) at esar@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 64891507?

CSMS 64891507 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Updates to ACE CATAIR Error Dictionary for Entry Summary". 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 64891507 published?

CBP published CSMS 64891507 on April 29, 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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