CSMS 39977745·System update·September 26, 2019·View on csms.cbp.gov ↗

Updated Draft AE CATAIR and ACE CATAIR Error Dictionary now posted on CBP.GOV

Plain-English explanation

CSMS 39977745 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (system update), published on September 26, 2019. It carries the official CBP guidance brokers and importers must follow for the topic — "Updated Draft AE CATAIR and ACE CATAIR Error Dictionary now posted on CBP.GOV". 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 #39977745 - Updated Draft AE CATAIR and ACE CATAIR Error Dictionary now posted on CBP.GOV U.S. Customs and Border Protection sent this bulletin at 09/26/2019 09:37 AM EDT Cargo Systems Messaging Service CSMS #39977745 - Updated Draft AE CATAIR and ACE CATAIR Error Dictionary now posted on CBP.GOV A new draft version of the ACE Entry Summary Create/Update CATAIR chapter (Rev 61) is now posted on cbp.gov at the following location under the 'Chapters: Drafts for Future Capabilities' tab: https://www.cbp.gov/trade/ace/catair This new draft version of the AE CATAIR outlines the Importer's Additional Declaration information as required for the South Korean Export Steel Certificate. These changes will be required in production on 10/18/19 to align with the previously announced Federal Register Notice (FRN). An updated ACE CATAIR Error dictionary (V14) is also now posted on cbp.gov at the following location under the 'Supporting Documents' tab: https://www.cbp.gov/trade/ace/catair 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 39977745?

CSMS 39977745 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Updated Draft AE CATAIR and ACE CATAIR Error Dictionary now posted on CBP.GOV". 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 39977745 published?

CBP published CSMS 39977745 on September 26, 2019. 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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