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

**Action Urgency Score:** 55/100

| Field | Value |
|---|---|
| Agency | Homeland Security Department; U.S. Customs and Border Protection |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-08-26 |
| Effective | 2026-10-26 |
| Significant | Yes (EO 12866) |
| CFR parts | 19 CFR 103, 19 CFR 113, 19 CFR 123, 19 CFR 192 |
| 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 effici |
| Document number | 2026-17390 |

## Why this score
- Significant rule under EO 12866.
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/26/2026-17390/automated-commercial-environment-ace-electronic-export-manifest-for-rail-cargo). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.