CSMS 56384100·Operational·May 24, 2023·View on csms.cbp.gov ↗

Cargo Release Error ENTRY NUMBER ALREADY FILED IN ACE Incorrectly Generated

Plain-English explanation

CSMS 56384100 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on May 24, 2023. It carries the official CBP guidance brokers and importers must follow for the topic — "Cargo Release Error ENTRY NUMBER ALREADY FILED IN ACE Incorrectly Generated". 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 # 56384100 - Cargo Release Error ENTRY NUMBER ALREADY FILED IN ACE Incorrectly Generated U.S. Customs and Border Protection sent this bulletin at 05/24/2023 01:59 PM EDT Cargo Systems Messaging Service CSMS # 56384100 - Cargo Release Error ENTRY NUMBER ALREADY FILED IN ACE Incorrectly Generated On Tuesday, May 23, some cargo release transactions received error 007ENTRY NUMBER ALREADY FILED IN ACE SE. In most cases, the message was erroneous and cargo release was processed. The issue has been resolved but CBP will not be able to generate an acceptance message. Filers who need to update the messaging within their system should submit a no-change Cargo Release Update (SE-U). 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 56384100?

CSMS 56384100 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Cargo Release Error ENTRY NUMBER ALREADY FILED IN ACE Incorrectly Generated". 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 56384100 published?

CBP published CSMS 56384100 on May 24, 2023. 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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