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Every message from the CBP Cargo Systems Messaging Service (CSMS), with a plain-English summary and Allied CHB's position. We add new messages every hour.
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CBP enhanced ACE truck manifests to capture ATA Carnet data starting March 2026
CBP announced that on March 24, 2026 it enhanced the Automated Commercial Environment (ACE) to let trade users include ATA Carnet information in electronic truck manifest filings. CBP held a support call on March 31, 2026 to answer trade questions about the change. The message was aimed at carriers and other filers submitting truck manifests through ACE.
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This update affects truck manifest filings, not the formal, informal, mail or e-commerce entries we file for clients. We have no indication that later CSMS messages changed this ACE feature. Clients who move goods under ATA Carnets by truck and have questions about how this affects their shipments should ask us to review their specific movements.
CBP added ATA Carnet data fields to ACE truck manifest filings starting March 24, 2026
CBP announced that on March 24, 2026 it enhanced ACE to let trade users submit ATA Carnet information as part of an electronic truck manifest filing. The update included EDI impacts and CBP published a trade information notice with details. The change applied to truck manifest filers moving goods under carnet.
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This update concerns carriers and filers who submit electronic truck manifests, not the entries we file for importers. It does not change how we file formal, informal or other entry types for clients. Clients do not need to take any action on this notice.
The summaries and positions are general information, not legal advice. Always check the official CBP message, which each page links to.
Does a change affect your entries?
Call (908) 291-8001 or email info@alliedchb.com