CSMS 45031876·Operational·December 1, 2020·View on csms.cbp.gov ↗

ACE Entry Summary (AE) receiving ACE System Failure

Plain-English explanation

CSMS 45031876 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on December 1, 2020. It carries the official CBP guidance brokers and importers must follow for the topic — "ACE Entry Summary (AE) receiving ACE System Failure". 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 #45031876 - ACE Entry Summary (AE) receiving ACE System Failure U.S. Customs and Border Protection sent this bulletin at 12/01/2020 12:55 PM EST Cargo Systems Messaging Service CSMS #45031876 - ACE Entry Summary (AE) receiving ACE System Failure ACE technical teams are addressing an issue with processing ACE Entry Summary (AE) transactions. While it is being resolved, filers may receive ACE SYSTEM FAILURE rejects for some ACE Entry Summary transactions. Another CSMS will be posted when the situation is resolved. Filers can then re-submit AE transactions that received the ACE SYSTEM FAILURE at that time. 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 45031876?

CSMS 45031876 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "ACE Entry Summary (AE) receiving ACE System Failure". 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 45031876 published?

CBP published CSMS 45031876 on December 1, 2020. 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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