CSMS 66355286·Operational·September 26, 2025·View on csms.cbp.gov ↗

Final Extension: Submitting CBP Form 1302A Cargo Declaration via Document Image System (DIS)

Plain-English explanation

CSMS 66355286 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on September 26, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "Final Extension: Submitting CBP Form 1302A Cargo Declaration via Document Image System (DIS)". 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 # 66355286 - Final Extension: Submitting CBP Form 1302A Cargo Declaration via Document Image System (DIS) U.S. Customs and Border Protection sent this bulletin at 09/26/2025 12:19 PM EDT Cargo Systems Messaging Service CSMS # 66355286 - Final Extension: Submitting CBP Form 1302A Cargo Declaration via Document Image System (DIS) On October 1, 2022, (CSMS #52338815) Customs and Border Protection (CBP) ended the use of the Document Image System (DIS) to file the outbound cargo declaration. CBP has provided multiple extensions in six (6) month increments to provide carriers and vessel agents time to transition to the EEM pilot. CBP is approving one final extension. On December 1, 2025, the DIS will no longer be an acceptable method for submitting the Outbound Cargo Declaration. This includes the CBP Form 1302A Outbound Cargo Declaration, supplemental form CBP 168, or any associated documents that comprise the outbound cargo manifest. Key Actions for Trade Participants: For Carriers and Vessel Agents in the Electronic Export Manifest (EEM) pilot: If you have already begun internal development or are utilizing EEM software from approved vendors, you should complete your testing and fully transition to submitting EEM. For Carriers and Vessel Agents not yet in the EEM Pilot: Complete your transition off the DIS system by December 1, 2025. Acceptable Outbound Manifest Submission Types Effective December 1, 2025: EEM is the preferred method for Outbound Manifest submissions. Hard-copy CBP Form 1302A: Along with associated documents, submitted directly to the port of departure. Prohibited Submission Method: Filing of the outbound cargo declaration under 19 CFR 4.63 to port email inboxes is NOT allowed. (CBP Officer requests for additional documentation may be emailed to port inboxes) Resources and Support: Approved Software Vendors: A list of approved software vendors can be found in Appendix P of the EEM Implementation Guides. Interested carriers, non-vessel operators (NVOs), vessel agents, and service providers should contact their CBP Client Representative for more information. Questions should be directed to the Outbound Enforcement and Policy Branch at cbpvesselexportmanifest@cbp.dhs.gov . Related Message Number(s): CSMS 62296588, CSMS 52338815 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 66355286?

CSMS 66355286 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Final Extension: Submitting CBP Form 1302A Cargo Declaration via Document Image System (DIS)". 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 66355286 published?

CBP published CSMS 66355286 on September 26, 2025. 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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