CSMS 45752432·Operational·January 19, 2021·View on csms.cbp.gov ↗

Revised ACE Entry Summary Business Rules and Process Document 10.25 (External Version)

Plain-English explanation

CSMS 45752432 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on January 19, 2021. It carries the official CBP guidance brokers and importers must follow for the topic — "Revised ACE Entry Summary Business Rules and Process Document 10.25 (External Version)". 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 #45752432 - Revised ACE Entry Summary Business Rules and Process Document 10.25 (External Version) U.S. Customs and Border Protection sent this bulletin at 01/19/2021 03:41 PM EST Cargo Systems Messaging Service CSMS #45752432 - Revised ACE Entry Summary Business Rules and Process Document 10.25 (External Version) A revised version of the External ACE Entry Summary Rules and Process Document Trade Version 10.25-Revised has been posted on CBP.gov and can be accessed at: https://www.cbp.gov/document/guides/ace-entry-summary-business-process The change between Trade Version 10.25, posted January 13, 2021 and the updated Trade Version 10.25-Revised, published today, pertains to the reversion of Chapters 18 and 19 to the prior Version 10, and the removal of Chapter 26. Trade Version 10.25-Revised of the document, published January 19, 2021, includes the following updates: The formatting and structure of the document has been updated to improve editing and readability. Section 1 (Entry Summary) – Update to Entry Summary Versions. Link to Entry Summary Acceptance and Rejection Policy provided. Section 3 (eBond Test) – Chapter title changed from “Single Transaction Bonds” to “eBond Test”. Significant updates to include: Overview of the eBond test- including links to relevant Federal Register Notices; details regarding the transmission of bonds via EDI or email; details regarding the “eBond: Create/Update” CATAIR; information regarding the deployment of ACE validations of continuous bonds on June 20, 202;, and points of contact at the Office of Finance – Revenue Division for operational questions and Office of Trade for bond policy questions. Section 6 (Temporary Importation under Bond (TIB)) – Update to include Closure Procedures. Section 7 (Post Summary Correction) – New section PSC Revert added and updated language for PSC Status Updates. Section 10 (Liquidation) – Removal of TIB extension information for clarity (not applicable to liquidation). See Section 6.0 Temporary Importation Under Bond (TIB) for extensions of TIBs. Section 11 (Reconciliation) – Version 10.25 includes a section with information on Retroactive Flagging. Section 13 (Warehouse Entries) – Includes updates to language to reflect current procedures. Section 14 (Drawback) – Chapter 14 includes new and revised language. It has been updated and reformatted to be more user friendly. Section 15 ( ACE Reports ) – Updated to remove listing of specific Entry Summary Reports. Section 17 ( NAFTA Duty Deferral ) – Edited to include the USMCA. Section 18 (Foreign Trade Zone) – Reverted back to previous version. Section 19 (Trade Fair Entries) – Reverted back to previous version. Section 23 ( Downtime Procedures ) – New guidance on trade interruptions resulting from hurricanes and other weather-related incidents. Section 26 (Government Entry Type 52) – Section removed. All ACE Entry Summary Business Process document related questions, comments, and suggestions should be emailed to acebusinessrules@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 45752432?

CSMS 45752432 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Revised ACE Entry Summary Business Rules and Process Document 10.25 (External Version)". 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 45752432 published?

CBP published CSMS 45752432 on January 19, 2021. 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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