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  4. ACE Exports Rail X12 - 309 Customs Manifest

ACE Exports Rail X12 - 309 Customs Manifest

In CERT: March 1, 2018

In PROD: March 2, 2018

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

This document is being posted to this portal to provide stakeholders with useful information.

Attachment Ext. Size Date
ACE 309 Rail Export Manifest Implementation Guide PDF 767.87 KB 10/19/2022
Last Modified: Oct 19, 2022