CSMS 64877951·Operational·April 28, 2025·View on csms.cbp.gov ↗

Cargo Release and Ocean Manifest Status Delays

Plain-English explanation

CSMS 64877951 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on April 28, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "Cargo Release and Ocean Manifest Status Delays". 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 # 64877951 - Cargo Release and Ocean Manifest Status Delays U.S. Customs and Border Protection sent this bulletin at 04/28/2025 10:21 AM EDT Cargo Systems Messaging Service CSMS # 64877951 - Cargo Release and Ocean Manifest Status Delays Please be advised that CBP is aware of delays with processing and generating cargo release status notifications. In addition, Ocean manifest filers may experience delays in receiving 1Y and 3Z notifications. Development teams are reviewing the issues and another CSMS will be generated when addressed. 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 64877951?

CSMS 64877951 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Cargo Release and Ocean Manifest Status Delays". 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 64877951 published?

CBP published CSMS 64877951 on April 28, 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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