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ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, March 28, 2026, to 4:00 a.m. ET Sunday, March 29, 2026
CBP announces a scheduled ACE production standard invasive maintenance window from 10:00 p.m. ET on March 28, 2026, to 4:00 a.m. ET on March 29, 2026.
Electronic Export Manifest (EEM) – Appendix O – Schedule K Implementation Guide (IG) Update
CBP announces an update to the Electronic Export Manifest Appendix O – Schedule K, removing several Port of Unlading Codes. Technical and policy inquiry contacts are provided.
Resolved - ACE Air Manifest Processing Degradation
CBP announced that a previously reported degradation in ACE Air Manifest processing has been resolved and the system is now operating normally.
ACE Air Manifest Processing Degradation
CBP announced degradation in ACE Air Manifest processing and stated that access to ACE MMM/TMM and EDI processing would be temporarily unavailable for about 45 minutes while services are restarted. A follow-up message confirming resolution was promised.
Update to Agency Tariff Code Reference Guide Available
CBP announced an updated version of the ACE Agency Tariff Code Reference Guide, reflecting changes to DEA and CPSC agency flags.
Electronic Export Manifest (EEM) – Ocean X12 and Ocean CAMIR Implementation Guide (IG) Updates
CBP announces updates to the Electronic Export Manifest Ocean X12 and Ocean CAMIR Implementation Guides, revising manifest and port information data element definitions and notes.
CBP Cancels NCSD Webinars Scheduled for March 2026
CBP announces the cancellation of its March 2026 NCSD commodity webinars due to a partial DHS funding lapse, with plans to reschedule them once funding resumes.
CBP Cancels Trade Violations Webinars Scheduled for March 31 and April 2
CBP canceled its free quarterly webinars scheduled for March 31 and April 2, which were to cover the Trade Violations Reporting tool and EAPA allegation filing, due to a partial DHS shutdown, with future sessions to be announced later.
Implementation of Jones Act Waiver Issued to the Department of War, Dated March 17, 2026
CBP announces implementation procedures for a DHS-issued Jones Act waiver (effective March 17, 2026 for 60 days) requested by the Department of War, detailing vessel entrance/clearance requirements, CBP Form 1302 submission procedures, and reporting obligations for foreign-flag vessels transporting covered commodities.
ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, March 21, 2026, to 4:00 a.m. ET Sunday, March 22, 2026
CBP announces a scheduled ACE production standard invasive maintenance window from 10:00 p.m. ET on Saturday, March 21, 2026, to 4:00 a.m. ET on Sunday, March 22, 2026.
National Marine Fisheries Service Lifts Marine Mammal Protection Act Import Restrictions for Grenada, Ireland, and New Caledonia
NOAA Fisheries lifted Marine Mammal Protection Act seafood import restrictions on Grenada, Ireland, and New Caledonia effective March 16, 2026, so a Certification of Admissibility is no longer required for imports from these fisheries unless processed in another restricted nation.
New ACE Drawback Error Validations Deployed to ACE CERT Environment March 17, 2026
CBP deployed new ACE Drawback error validations (FD12 and FD13) to the CERT environment to support drawback claims involving eligible Section 232 auto/truck parts tariffs, with production deployment scheduled for April 21, 2026. An updated draft Drawback Error Dictionary is available in the CATAIR.
ACE Manifest Modernization Release 1 (INT-060) is in Certification Environment for Testing and Scheduled to Deploy to Production on April 25, 2026
CBP announces that ACE Manifest Modernization Release 1 (INT-060), a back-end technical migration for ocean, rail, and air manifest systems, is available in the certification environment for testing and is scheduled to deploy to production on April 25, 2026.
Updated Document Image System (DIS) Implementation Guide is Available
CBP updated the ACE Document Image System (DIS) Implementation Guide, adding two new Document Label Codes related to reauthorized preferential trade legislative programs (AGOA and Haiti HOPE/HELP).
ACE Certification Standard Invasive Maintenance Window on March 18, 2026 from 5:00 p.m. to 8:00 p.m. ET
CBP announces a scheduled ACE certification environment maintenance window on March 18, 2026, from 5:00 p.m. to 8:00 p.m. ET.
REMINDER: New Carnet Data Elements Set to Deploy in ACE Truck Manifest on March 24
CBP reminds trade that on March 24, 2026, ACE will be enhanced to allow electronic truck manifest filers to submit ATA Carnet information, including related EDI impacts.
An updated Drug Enforcement Agency (DEA) DRAFT Implementation Guide (IG) is now available
CBP announced that the DEA has published an updated draft Implementation Guide (version 2.7, dated January 14, 2026), replacing the January 5, 2026 version, with clarification language based on trade feedback.
REMINDER: Production Deployment Date for FDA Supplemental Guide v. 2.6 was March 10, 2026
CBP reminds trade that FDA ACE Supplemental Guide version 2.6 was deployed to production on March 10, 2026, with related FDA documents updated accordingly.
ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, March 14, 2026 to 4:00 a.m. ET Sunday, March 15, 2026
CBP announces a scheduled ACE production standard invasive maintenance window from 10:00 p.m. ET Saturday, March 14, 2026 to 4:00 a.m. ET Sunday, March 15, 2026.
NCSD March and April 2026 Webinars
CBP's National Commodity Specialist Division announces a schedule of commodity-specific educational webinars for March and April 2026, part of a broader series running through September 2026, with registration information provided.