CSMS # 67951279 - Update to Electronic Export Manifest (EEM) – Truck Manifest Implementation Guide (IG) 355 Acceptance/Rejection Message

U.S. Customs and Border Protection sent this bulletin at 03/05/2026 01:25 PM EST

Cargo Systems Messaging Service

CSMS # 67951279 - Update to Electronic Export Manifest (EEM) – Truck Manifest Implementation Guide (IG) 355 Acceptance/Rejection Message

U.S. Customs and Border Protection has updated the Electronic Export Manifest (EEM) Automated Commercial Environment (ACE) Exports Truck X12- 355 Acceptance/Rejection Message Implementation Guide (IG).

Updates implemented:

Typo updated from DM02 to DMG02
Max Use in REF segment updated from 10 to 1
Max Use in VEH segment updated from 10 to 1

For questions:

Technical inquiries should be directed to your assigned CBP Client Representative.
Policy inquiries may be submitted to cbpexportmanifest@cbp.dhs.gov.

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