CSMS 65845565·System update·August 6, 2025·View on csms.cbp.gov ↗

Modernized ACE Portal Broker Management Functionality Updates Successful

Plain-English explanation

CSMS 65845565 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (system update), published on August 6, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "Modernized ACE Portal Broker Management Functionality Updates Successful". 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 # 65845565 - Modernized ACE Portal Broker Management Functionality Updates Successful U.S. Customs and Border Protection sent this bulletin at 08/06/2025 10:44 AM EDT Cargo Systems Messaging Service CSMS # 65845565 - Modernized ACE Portal Broker Management Functionality Updates Successful The upgrades to the Broker Management functionality in the Modernized ACE Portal were successfully completed. Users may resume adding data and making edits to existing Broker accounts. Related message: CSMS # 65828194 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 65845565?

CSMS 65845565 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Modernized ACE Portal Broker Management Functionality Updates Successful". 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 65845565 published?

CBP published CSMS 65845565 on August 6, 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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