Home/Policy/Automated Commercial Environment (ACE) Electronic Export Manifest for Rail Cargo

Automated Commercial Environment (ACE) Electronic Export Manifest for Rail Cargo

CategoriesPolicy
Signals
Neutral sentiment
Low impact
Fed. Register
Proposed rule
Summary

Informational only, not legal advice. Confirm deadlines on the official notice or with a qualified professional.

U.S. Customs and Border Protection is updating regulations to require electronic submission of export manifest data for all rail cargo leaving the United States through the Automated Commercial Environment (ACE) system. The rule specifies which parties can submit the information and the timing requirements before train departure. This is a trade facilitation and border security measure affecting rail exporters and freight forwarders.
Full official notice
Fed. Register

Authoritative text and filing details are always on the publisher’s site.

Document info
TypeRule
SourceFed. Register
PublishedAugust 26, 2026

U.S. Customs and Border Protection (CBP) is revising its regulations pursuant to the Trade Act of 2002 requiring the transmission of export manifest data electronically in the Automated Commercial Environment (ACE) for cargo transported by rail for any train departing the United States. This rule mandates the electronic transmission of rail export manifest information, identifies the parties eligible to transmit information, and describes the time frames prior to departure in which the informati

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