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ACE Exports Rail X12 - 353 Customs Events Advisory Details

Document Posting Date: 
May 16, 2017

In CERT: May 16, 2017

In PROD: May 17, 2017

This page provides the message formats and technical specifications necessary to electronically transmit data to CBP's automated systems.

This document may qualify as a “guidance document” as set forth in Executive Order 13891 and interpretations thereof; such guidance documents are not binding and lack the force and effect of law, except as authorized by law or as incorporated into a contract. This document is being posted to this portal to provide stakeholders with useful information.

Last modified: 
February 28, 2020