CSMS 49030821·System update·August 10, 2021·View on csms.cbp.gov ↗

Correction: Updated ACE CATAIR Error Dictionary on CBP.GOV

Plain-English explanation

CSMS 49030821 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (system update), published on August 10, 2021. It carries the official CBP guidance brokers and importers must follow for the topic — "Correction: Updated ACE CATAIR Error Dictionary 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 #49030821 - Correction: Updated ACE CATAIR Error Dictionary on CBP.GOV U.S. Customs and Border Protection sent this bulletin at 08/10/2021 02:50 PM EDT Cargo Systems Messaging Service CSMS #49030821 - Correction: Updated ACE CATAIR Error Dictionary on CBP.GOV The ACE CATAIR Error Dictionary has been updated under the Supporting Documents tab on cbp.gov. The update includes a revised description for error 818 – LIC/CERT/PERM NOT ALLOWED-ENTRY TYPE · Clarified that LIC/CERT/PERM NOT ALLOWED-ENTRY TYPE (F818) will be generated when an aluminum or steel license is submitted on an Entry Summary with Entry Type Code 06 (FTZ withdrawal), 21 (Warehouse) or 22 (Re-warehouse). For any technical questions regarding this update, please contact your assigned Client Representative. Questions or concerns should be directed to 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 49030821?

CSMS 49030821 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Correction: Updated ACE CATAIR Error Dictionary 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 49030821 published?

CBP published CSMS 49030821 on August 10, 2021. 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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