CSMS #67951279•Thursday, March 5, 2026
System UpdateMedium UrgencyAction Required
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.
Additional Information
Programs Affected:
ACE