CSMS # 69602757 - ACE Manifest Modernization Release 2-Rail (INT-061) is in Certification Environment for Testing and Scheduled to Deploy to Production September 22, 2026

U.S. Customs and Border Protection sent this bulletin at 08/21/2026 10:21 AM EDT

Cargo Systems Messaging Service

CSMS # 69602757 - ACE Manifest Modernization Release 2-Rail (INT-061) is in Certification Environment for Testing and Scheduled to Deploy to Production September 22, 2026

U.S. Customs and Border Protection is modernizing the Automated Commercial Environment (ACE) ocean, rail, and air manifest systems over several releases. The second release of this enhancement (INT-061) is a technical migration of back-end functionality for the rail mode of transportation. It will not directly affect the ACE user experience or Electronic Data Interchange (EDI) behavior.

This second release of the manifest modernization enhancement is currently in the ACE certification environment (CERT). Trade software developers may send transmissions to confirm expected responses. Deployment to the ACE production environment (PROD) is scheduled for September 22, 2026.

For technical questions regarding this enhancement, please contact your assigned Client Representative.

Other questions regarding Cargo Control and Release should be directed to CREM@cbp.dhs.gov.

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