CSMS 51971749·Operational·May 23, 2022·View on csms.cbp.gov ↗

Truck Manifest Changes Deployed to Certification Environment

Plain-English explanation

CSMS 51971749 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on May 23, 2022. It carries the official CBP guidance brokers and importers must follow for the topic — "Truck Manifest Changes Deployed to Certification Environment". 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 #51971749 - Truck Manifest Changes Deployed to Certification Environment U.S. Customs and Border Protection sent this bulletin at 05/23/2022 10:50 AM EDT Cargo Systems Messaging Service CSMS #51971749 - Truck Manifest Changes Deployed to Certification Environment The Certification Environment is ready for trade to begin testing the new Truck Manifest EDI Notifications. These automated responses are triggered when CBP makes changes to Crew, Vehicle, Cargo, or Seal data on a manifest. Please refer to the posted draft IG for implementation details. Software developers should work with their assigned Client Representative to complete testing. Questions should also be addressed to the Client Representative. 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 51971749?

CSMS 51971749 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Truck Manifest Changes Deployed to Certification Environment". 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 51971749 published?

CBP published CSMS 51971749 on May 23, 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.

Learn more

Tandom guides relevant to CBP CSMS messages

Subscribe to and triage CBP CSMS messages

How to subscribe to CBP Cargo Systems Messaging Service and triage the messages that change broker filing behavior, without losing the ones that matter.

Open resource

Real-time alerts when a CSMS message changes a duty rate

Set up alerts when a CBP CSMS message changes a duty rate on an HTS code you depend on. Built for brokers, forwarders, and importer compliance teams.