CSMS 66577014·Operational·October 20, 2025·View on csms.cbp.gov ↗

Enhanced ACE Portal Account Application Coming October 30 – Ensure CBP Form 5106 Information Is Up

Plain-English explanation

CSMS 66577014 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on October 20, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "Enhanced ACE Portal Account Application Coming October 30 – Ensure CBP Form 5106 Information Is Up". 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 # 66577014 - Enhanced ACE Portal Account Application Coming October 30 – Ensure CBP Form 5106 Information Is Up-to-Date U.S. Customs and Border Protection sent this bulletin at 10/20/2025 11:37 AM EDT Cargo Systems Messaging Service CSMS # 66577014 - Enhanced ACE Portal Account Application Coming October 30 – Ensure CBP Form 5106 Information Is Up-to-Date On October 30, 2025, U.S. Customs and Border Protection (CBP) will automate the process for applying for a new Automated Commercial Environment (ACE) Secure Data Portal (ACE Portal) top account with the Importer sub-account view. For trade parties with an existing CBP Form 5106 (5106 record) on file with CBP and without existing ACE Portal account access , this enhancement will modernize the process for accessing the Importer sub-account features available in the ACE Portal. For more information, including details on planned deployment support calls, review the Automated ACE Portal Application for Importer Accounts Information Notice. IMPORTANT: When ACE Portal applicants use the modernized application tool, CBP will verify the applicant by sending a verification code to the email address that is listed on the 5106 record on file with CBP. CBP advises all parties with 5106 records on file with CBP to ensure that the contact information listed, including email address and phone number, is current . For importers’ 5106 records that are managed by customs brokers, brokers should ensure that current importer contact information is provided. 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 66577014?

CSMS 66577014 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Enhanced ACE Portal Account Application Coming October 30 – Ensure CBP Form 5106 Information Is Up". 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 66577014 published?

CBP published CSMS 66577014 on October 20, 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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