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ACE and Automated Systems

ACE LogoThe Automated Commercial Environment (ACE) is the system through which the trade community reports imports and exports and the government determines admissibility. CBP Trade applies expertise, technology, and automation to create streamlined and efficient processes to facilitate the global exchange of safe and legitimate goods.​​​​

Please visit the ACE Transaction Details page for full details on ACE transmission requirements.

About ACE
Training & Support
Technical Info


What's New with ACE

Cargo Systems Messaging Service (CSMS) Transition:

CBP’s Trade Transformation Office recently upgraded its mass email capabilities by transitioning the legacy CSMS system to a new technology platform.  As part of the transition, a new CSMS Page has been created for viewing/ searching posted CSMS messages.  Information on how to access an archive of older CSMS messages can be found on the New CSMS Page Information Sheet.

Upcoming ACE Deployments:

Recent ACE Deployments:

ACE Reports:


    ACE Resources:

    ACE User Satisfaction Survey Results:

    • View results for Trade and PGA user satisfaction survey here.



    Last modified: 
    May 22, 2020