CSMS 56161532·Operational·May 5, 2023·View on csms.cbp.gov ↗

DDTC FAQs Related to Proposed Category XXI Determination Number Data Element in the AES

Plain-English explanation

CSMS 56161532 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on May 5, 2023. It carries the official CBP guidance brokers and importers must follow for the topic — "DDTC FAQs Related to Proposed Category XXI Determination Number Data Element in the AES". 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 # 56161532 - DDTC FAQs Related to Proposed Category XXI Determination Number Data Element in the AES U.S. Customs and Border Protection sent this bulletin at 05/05/2023 03:08 PM EDT Cargo Systems Messaging Service CSMS # 56161532 - DDTC FAQs Related to Proposed Category XXI Determination Number Data Element in the AES On Wednesday, May 3, 2023 the Department of Commerce, U.S. Census Bureau published a Notice of Proposed Rulemaking (NPRM) that announced the proposal for the collection of a new data element - Category XXI Determination Number in the Automated Export System. The Directorate of Defense Trade Controls has published Frequently Asked Questions regarding this modification to the AES and they can be found at https://www.pmddtc.state.gov/ . Please follow here to review the DDTC FAQs: Navigate to the heading "Support" and then click on "Review FAQs". Under "Topic Areas", click on "ITAR/USML Updates" Then select "Automated Export System" For questions regarding this upcoming AES change, please contact the Department of Defense Trade Control at: ddtccustomerservice@state.gov or (202) 663-1282. Please note that this change will impact both the AESDirect application as well as filers submitting via Electronic Data Interface (EDI). Exporters and Software Developers that submit Electronic Export Information (EEI) via the Electronic Data Interface (EDI) should update their software to send the proposed new data element. For technical questions, Software Vendors should contact their respective CBP Client Representative. Related Messages: 54237959, 56142472 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 56161532?

CSMS 56161532 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "DDTC FAQs Related to Proposed Category XXI Determination Number Data Element in the AES". 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 56161532 published?

CBP published CSMS 56161532 on May 5, 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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