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

21 August 2026

In plain English

CBP's ACE Manifest Modernization Release 2-Rail (INT-061), a back-end rail manifest system migration, is in certification testing and set to deploy to production September 22, 2026.

Read the official notice
Topic
Customs operations
Regulator
CBP
Published
21 August 2026
For
Imports and Exports
Where it applies
United States
Source
CBP CSMS

From the notice

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. Deploym
The full text is at the source

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