Skip to content
Customs operationsCBPUnited StatesImportsExports

Document Image System (DIS) Validation of Internal Transaction Number (ITN) for Electronic Export Information (EEI) Submissions (CBP-255) Deployed to ACE in the Certification Environment and Updated DIS Implementation Guide is Now Available

10 September 2026

In plain English

CBP has deployed ACE DIS validation of the ITN for EEI submissions (CBP-255) to the Certification Environment, with Production deployment set for October 8, 2026.

Read the official notice
Topic
Customs operations
Regulator
CBP
Published
10 September 2026
For
Imports and Exports
Where it applies
United States
Source
CBP CSMS

From the notice

U.S. Customs and Border Protection (CBP) has deployed the following enhancement to the Automated Commercial Environment (ACE) Certification Environment: Document Imaging System (DIS) Validation of Internal Transition Number (ITN) for Electronic Export Information (EEI) Submissions (CBP-255). This enhancement will be deployed in the ACE Production environment on October 8, 2026. Following this enhancement, ACE will validate the ITN when it is provided via Electronic Data Interchange (EDI) or submitted via
The full text is at the source

Olive tells you which of these hit your products.

Olive reads every change like these against your own products, codes and trade lanes, whether you import, export or both, and drafts the update to your compliance program for your approval. Nothing changes without you.

Get startedLive demo

Olivra lists official notices for information only. It is not legal advice, and Olive is not a lawyer or a licensed customs broker. The official text at the source is what counts.

More from CBP

See everything Olive monitors