CSMS 65136115·Operational·May 23, 2025·View on csms.cbp.gov ↗

ACE Truck Manifest – Arriving Manifest with Preliminary Status No Longer Permitted

Plain-English explanation

CSMS 65136115 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on May 23, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "ACE Truck Manifest – Arriving Manifest with Preliminary Status No Longer Permitted". 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 # 65136115 - ACE Truck Manifest – Arriving Manifest with Preliminary Status No Longer Permitted U.S. Customs and Border Protection sent this bulletin at 05/23/2025 03:50 PM EDT Cargo Systems Messaging Service CSMS # 65136115 - ACE Truck Manifest – Arriving Manifest with Preliminary Status No Longer Permitted This serves as a reminder that all ACE Truck Manifests should be transmitted and marked as “FINAL” prior to arrival at a port of entry. CBP will no longer arrive Manifests that have a Preliminary Status. Accordingly, the ANSI X12 309 and 353 messages and UN EDIFACT CUSCAR and CUSREP messages are considered preliminary until transmitted as completed. Additionally, the ANSI X12 309 and 358 /353 messages and UN EDIFACT CUSCAR and CUSREP messages now require an end of manifest transmission. Please refer to the Truck Manifest Implementation Guides for transmission guidance. Please note that if a manifest receives a “Returned to Preliminary” message, it is not considered a complete manifest. CBP will no longer arrive Manifests that have a Preliminary Status. This functionality will be deployed to CERTIFICATION on May 23, 2025, and into PRODUCTION on June 3, 2025. Please reach out to your Client Representative if you have any technical-related questions. For any questions about this update, please email CREM@cbp.dhs.gov . 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 65136115?

CSMS 65136115 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "ACE Truck Manifest – Arriving Manifest with Preliminary Status No Longer Permitted". 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 65136115 published?

CBP published CSMS 65136115 on May 23, 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.

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.