CSMS 51377977·Operational·March 22, 2022·View on csms.cbp.gov ↗

CERTIFICATION TESTING requested for ACE EDI Truck Manifest

Plain-English explanation

CSMS 51377977 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on March 22, 2022. It carries the official CBP guidance brokers and importers must follow for the topic — "CERTIFICATION TESTING requested for ACE EDI Truck Manifest". 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 #51377977 -CERTIFICATION TESTING requested for ACE EDI Truck Manifest - Laredo U.S. Customs and Border Protection sent this bulletin at 03/22/2022 11:57 AM EDT Cargo Systems Messaging Service CSMS #51377977 -CERTIFICATION TESTING requested for ACE EDI Truck Manifest - Laredo CBP is in the process of deploying updated truck manifest software. We are staging this deployment geographically with the Port of Laredo as our next location (port 2304). We are looking for transmitters of EDI truck manifest data to send Laredo Truck Manifest data. Ideally replicated production data such as X12, UN Edifact, FAST etc... To the CERTIFICATION environment. Please contact your assigned client reps regarding any unexpected results. 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 51377977?

CSMS 51377977 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "CERTIFICATION TESTING requested for ACE EDI Truck Manifest". 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 51377977 published?

CBP published CSMS 51377977 on March 22, 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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