CSMS # 67803561 - Electronic Export Manifest (EEM) – Truck Manifest Implementation Guide (IG) X.12 and UNEDIFACT Standard (version 1.0)

U.S. Customs and Border Protection sent this bulletin at 02/19/2026 11:29 AM EST

Cargo Systems Messaging Service

CSMS # 67803561 - Electronic Export Manifest (EEM) – Truck Manifest Implementation Guide (IG) X.12 and UNEDIFACT Standard (version 1.0)

U.S. Customs and Border Protection (CBP) has posted the Truck Manifest implementation guides for the Automated Commercial Environment (ACE) Electronic Export Manifest (EEM) system. Implementation guides for the X.12 and UNEDIFACT standards are now available here: ACE Electronic Export Manifest Information and Requirements.

New X.12 implementation guides include:

Truck X12 - 309 Message
Truck X12 - 350 Message
Truck X12 - 353 Message
Truck X12 - 355 Message
Truck X12 - 358 Message

New Truck UNEDIFACT implementation guides include:

Truck - PAXLST Manifest Crew and Passenger List
Truck - Standard CUSCAR Cargo Report Message
Truck - Standard CUSREP Conveyance Report Message
Truck - Standard CUSRES Accept-Reject Message
Truck - Standard CUSRES Status Notification Message

All X.12 and UNEDIFACT IGs are the first iterations of these documents and are not updates to prior IGs.

Policy-related questions can be directed to Outbound Enforcement & Policy at cbptruckexportmanifest@cbp.dhs.gov.

Technical related questions can be directed to your assigned CBP Client Representative.

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.