CSMS 49929750·Operational·October 29, 2021·View on csms.cbp.gov ↗

Department of State Certification of Mexico Pursuant to Section 609

Plain-English explanation

CSMS 49929750 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on October 29, 2021. It carries the official CBP guidance brokers and importers must follow for the topic — "Department of State Certification of Mexico Pursuant to Section 609". 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 #49929750 - Department of State Certification of Mexico Pursuant to Section 609 U.S. Customs and Border Protection sent this bulletin at 10/29/2021 03:37 PM EDT Cargo Systems Messaging Service CSMS #49929750 - Department of State Certification of Mexico Pursuant to Section 609 The Department of State has certified Mexico pursuant to Section 609 of Public Law 101-162. Therefore, shipments of wild-caught shrimp harvested in Mexico with a Date of Export later than October 20, 2021 are again eligible for entry into the United States pursuant to Section 609. A Federal Register Notice (FRN) is expected to be published next week. For further information please see the media note found here: https://www.state.gov/the-united-states-certifies-mexicos-shrimp-imports/ Related message: CSMS# 47852994 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 49929750?

CSMS 49929750 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Department of State Certification of Mexico Pursuant to Section 609". 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 49929750 published?

CBP published CSMS 49929750 on October 29, 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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