ACE Truck Manifest Enhancement: New Carnet Data Elements Coming March 24

On March 24, 2026, U.S. Customs and Border Protection (CBP) will enhance the Automated Commercial Environment (ACE) to enable trade users to provide ATA Carnet information as part of an electronic truck manifest filing. This update includes electronic data interchange (EDI) impacts. 
For more information on these changes, review the attached information notice. 
 * Trade_Information Notice_CBP221_508c.pdf [ https://content.govdelivery.com/attachments/USDHSCBP/2026/03/06/file_attachments/3575311/Trade_Information%20Notice_CBP221_508c.pdf ]