CSMS 51093976·Operational·February 21, 2022·View on csms.cbp.gov ↗

Issue Launching Multi Modal Manifest from the Modernized ACE Portal

Plain-English explanation

CSMS 51093976 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on February 21, 2022. It carries the official CBP guidance brokers and importers must follow for the topic — "Issue Launching Multi Modal Manifest from the Modernized ACE Portal". 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

Issue Launching Multi Modal Manifest from the Modernized ACE Portal U.S. Customs and Border Protection sent this bulletin at 02/21/2022 12:00 PM EST Some CBP officers reported issues launching the Multi Modal Manifest Application once they were able to launch Legacy ACE from the "Legacy Portal" link on the References Tab in the Modernized Portal. If you have are having an issue launching the MMM applet from Internet Explorer or Microsoft Edge in the above scenario, please go to https://ace.cbp.dhs.gov to login using your username and password. While the Modernized ACE Portal is the preferred way to Login to ACE Portal, you are able to use this method while teams identify root cause of the issue. 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 51093976?

CSMS 51093976 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Issue Launching Multi Modal Manifest from the Modernized ACE Portal". 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 51093976 published?

CBP published CSMS 51093976 on February 21, 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.