CSMS 64328569·Operational·March 6, 2025·View on csms.cbp.gov ↗

IMPORTANT: ACE Portal Access Unavailable for Some User Accounts

Plain-English explanation

CSMS 64328569 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on March 6, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "IMPORTANT: ACE Portal Access Unavailable for Some User Accounts". 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 # 64328569 - IMPORTANT: ACE Portal Access Unavailable for Some User Accounts U.S. Customs and Border Protection sent this bulletin at 03/06/2025 10:10 AM EST Cargo Systems Messaging Service CSMS # 64328569 - IMPORTANT: ACE Portal Access Unavailable for Some User Accounts U.S. Customs and Border Protection (CBP) is aware of an ACE Portal access issue preventing some trade users from logging in to their ACE Portal user account. If you are not having issues logging in to your ACE Portal user account, you may disregard this message. Following the retirement of the legacy ACE Portal on February 22, 2025, all ACE Portal account activity is now conducted in the modernized ACE Portal. For those users who did not successfully create their modernized ACE Portal user account and link their modernized user account to their legacy user account before February 22, CBP technical support is necessary to restore access. To request access to the modernized ACE Portal, including linking your legacy account information, contact ACE.Support@cbp.dhs.gov and provide the following information: - User ID (if known) - User account holder name - User account holder phone number - User account holder email address Following your request, CBP will review and process the request in the order it was received. Please note that follow up calls to CBP’s helpdesk will not expedite the review and account restoration process. For more information about the ACE Portal, review the ACE Portal Modernization 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 64328569?

CSMS 64328569 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "IMPORTANT: ACE Portal Access Unavailable for Some User Accounts". 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 64328569 published?

CBP published CSMS 64328569 on March 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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