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Technical Documentation for All CBP Automated Systems

These pages provide the message formats and technical specifications necessary to electronically transmit data to CBP's automated systems.

Automated Commercial Environment (ACE)

By 2016, ACE will become the Single Window, the primary system through which the international trade community will submit data and documentation required by the federal government for imports and exports, and through which the government will determine admissibility. As more cargo processes are modernized and implemented in ACE, corresponding capabilities will be decommissioned in ACS and AMS.

Please use the hyperlinks provided below to access documents with the technical specifications needed to electronically transmit data to ACE.

Import Manifest
Entry / Entry Summary
Exports

Legacy Systems

These links contain detailed requirements for filing information to legacy systems including ACS ABI CATAIR and Automated Manifest System (AMS) Air technical requirements.

Import Manifest
Entry / Entry Summary
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