CSMS 61879623·System update·August 21, 2024·View on csms.cbp.gov ↗

ACE Update to Prevent PSC Change from Non

Plain-English explanation

CSMS 61879623 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (system update), published on August 21, 2024. It carries the official CBP guidance brokers and importers must follow for the topic — "ACE Update to Prevent PSC Change from Non". 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 # 61879623 - ACE Update to Prevent PSC Change from Non-quota to Quota Entry Type Set to Deploy September 23 U.S. Customs and Border Protection sent this bulletin at 08/21/2024 02:00 PM EDT Cargo Systems Messaging Service CSMS # 61879623 - ACE Update to Prevent PSC Change from Non-quota to Quota Entry Type Set to Deploy September 23 On September 23, 2024, U.S. Customs and Border Protection will deploy a change in the Automated Commercial Environment (ACE) production environment (PROD) to electronically prevent filers from changing an entry via Post Summary Correction (PSC) from a non-quota entry type to a quota entry type (02). Beginning on September 2 3 , when a filer attempts to change a non-quota entry to a quota entry via a PSC, ACE will return the following error message: B64 - PSC ENTRY TYPE CHANGE NOT ALLOWED This change was recently deployed in the ACE Certification environment (CERT) and is currently available for CERT testing. Deployment date information for this enhancement is also now available on the ACE Development and Deployment Schedule . As a reminder, PSC Test Federal Register Notices (FRN) 81 FR 8942 and 82 FR 2385 permits only 01 to 03 and 03 to 01 entry type changes. This deployment aligns with that PSC Test notice. If general policy information is needed regarding PSCs or Quota, please refer to the ACE Entry Summary Business Rules and Process Document . For more information regarding this deployment, please review the direction provided to the trade community in Quota Bulletin 23-128 . For questions about quota entries, please contact HQQuota@cbp.dhs.gov . For questions regarding PSCs, please contact OTENTRYSUMMARY@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 61879623?

CSMS 61879623 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "ACE Update to Prevent PSC Change from Non". 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 61879623 published?

CBP published CSMS 61879623 on August 21, 2024. 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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