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CBP No. Page Automated Commercial Environment (ACE) Electronic Export Manifest for Rail Cargo

9 September 2026

In plain English

CBP's final rule amends 19 CFR Parts 103, 113, 123, and 192 to require electronic export manifest data in ACE for rail cargo departing the US, effective October 26, 2026, with enforcement from October 26, 2027.

Read the official notice
Topic
Customs operations
Regulator
CBP
Published
9 September 2026
For
Imports
Where it applies
United States
Source
CBP Customs Bulletin

From the notice

U.S. Customs and Border Protection ◆ 19 CFR PARTS 103, 113, 123, AND 192 CBP DEC. 26-15 RIN 1651, AB52 AUTOMATED COMMERCIAL ENVIRONMENT (ACE) ELECTRONIC EXPORT MANIFEST FOR RAIL CARGO AGENCY: U.S. Customs and Border Protection, DHS. ACTION: Final rule. SUMMARY: 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 information is due. This rule enables CBP to address important cargo security concerns while providing efficiencies to the trade. DATES: Effective date: This rule is effective on October 26, 2026. Compliance date: CBP will begin enforcing this rule on October 26, 2027.
The full text is at the source

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