CSMS 56080907·Operational·April 28, 2023·View on csms.cbp.gov ↗

MID Query Reinstated in the Legacy ACE Portal

Plain-English explanation

CSMS 56080907 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on April 28, 2023. It carries the official CBP guidance brokers and importers must follow for the topic — "MID Query Reinstated in the Legacy 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

CSMS # 56080907 - MID Query Reinstated in the Legacy ACE Portal U.S. Customs and Border Protection sent this bulletin at 05/01/2023 11:17 AM EDT Cargo Systems Messaging Service CSMS # 56080907 - MID Query Reinstated in the Legacy ACE Portal On April 29, the Manufacturer Identification (MID) query was reinstated in the legacy ACE portal. ACE Portal users can access the MID query in the legacy ACE portal reference tab. For more information about the MID codes, please read this helpful article . For technical issues, contact the CBP ACE Account Service Desk (ASD) at (866) 530-4172 or ace.support@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 56080907?

CSMS 56080907 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "MID Query Reinstated in the Legacy 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 56080907 published?

CBP published CSMS 56080907 on April 28, 2023. 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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