CSMS # 68212568 - : REMINDER: New Carnet Data Elements Now in ACE Truck Manifest – Trade User Support Call Happening Today

U.S. Customs and Border Protection sent this bulletin at 03/31/2026 11:14 AM EDT

Cargo Systems Messaging Service

CSMS # 68212568 - : REMINDER: New Carnet Data Elements Now in ACE Truck Manifest – Trade User Support Call Happening Today

On March 24, 2026, U.S. Customs and Border Protection (CBP) enhanced the Automated Commercial Environment (ACE) to enable trade users to provide ATA Carnet information as part of an electronic truck manifest filing. CBP will hold a user readiness support call today at 1:00 p.m. ET to address trade community questions related to this system enhancement.

ACE User Readiness Support Call

Tuesday, March 31, 2026 
1:00 p.m. - 2:00 p.m. ET
Call Link: Join via Microsoft Teams

For more information on these changes, review the trade user information notice available here: ACE Truck Manifest Enhancements - New Carnet Data Elements.

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