CSMS 41436684·System update·January 27, 2020·View on csms.cbp.gov ↗

Completed: ACE maintenance at 2000 on 1/26

Plain-English explanation

CSMS 41436684 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (system update), published on January 27, 2020. It carries the official CBP guidance brokers and importers must follow for the topic — "Completed: ACE maintenance at 2000 on 1/26". 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 #41436684 - Completed: ACE maintenance at 2000 on 1/26 U.S. Customs and Border Protection sent this bulletin at 01/26/2020 10:06 PM EST Cargo Systems Messaging Service CSMS #41436684 - Completed: ACE maintenance at 2000 on 1/26 Please note that the ACE maintenance ( CSMS #41435219) has been completed. CBP technicians were able to implement fixes to resolve the issue referenced in CSMS #41434885 - Issues while trying to create a stand alone shipment through the ACE Portal. ACE Portal is available for normal operations at this time and Manifest EDI processing has resumed. 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 41436684?

CSMS 41436684 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Completed: ACE maintenance at 2000 on 1/26". 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 41436684 published?

CBP published CSMS 41436684 on January 27, 2020. 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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