Update to Electronic Export Manifest (EEM) – Truck Manifest Implementation Guide (IG) 358 Customs Consist

U.S. Customs and Border Protection (CBP) has updated the Electronic Export Manifest (EEM) [ https://www.cbp.gov/document/guidance/truck-export-manifest-358-message ] ACE Exports Truck X12- 385 Customs Consist Implementation Guide (IG). 
Updates implement: 
 * Updated Usage in M1306 to “M”  
For questions: 
 * Technical inquiries should be directed to your assigned CBP Client Representative.  
 * Policy inquiries may be submitted to cbpexportmanifest@cbp.dhs.gov.  
 * 358 Truck Export Manifest Implementation Guide_7010.pdf [ https://content.govdelivery.com/attachments/USDHSCBP/2026/07/09/file_attachments/3709748/358%20Truck%20Export%20Manifest%20Implementation%20Guide_7010.pdf ]