CSMS 53923441·System update·November 8, 2022·View on csms.cbp.gov ↗

Update to November 8 Deployment in the Modernized ACE Portal

Plain-English explanation

CSMS 53923441 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (system update), published on November 8, 2022. It carries the official CBP guidance brokers and importers must follow for the topic — "Update to November 8 Deployment in the Modernized ACE Portal". 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 # 53923441 - Update to November 8 Deployment in the Modernized ACE Portal U.S. Customs and Border Protection sent this bulletin at 11/08/2022 10:51 AM EST Cargo Systems Messaging Service CSMS # 53923441 - Update to November 8 Deployment in the Modernized ACE Portal This morning, CBP successfully deployed a link to the CBP Centers for Excellence and Expertise (CEE) directory in the modernized ACE Portal References tab. However, the References tab button (for trade and PGA users) for the Anti-dumping and Countervailing Duty (AD/CVD) application in the modernized ACE Portal has been delayed. Information on the new deployment date will be provided when it is available. For more information on the Phase 2 deployments, continue to monitor the ACE Portal Modernization – Phase 2 webpage . 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 53923441?

CSMS 53923441 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Update to November 8 Deployment in the Modernized ACE Portal". 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 53923441 published?

CBP published CSMS 53923441 on November 8, 2022. 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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