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Updated Consumer Product Safety Commission (CPSC) Message Implementation Guide is Now Available
CBP announced an updated CPSC Message Implementation Guide is available on the CATAIR website, with clarified language on OI record limits and Intended Use Code restrictions for disclaims.
National Commodity Specialist Division (NCSD) May 2026 Webinars
CBP's National Commodity Specialist Division announced its May-September 2026 series of commodity-specific educational webinars, with the May schedule and registration details provided.
ACE Certification Standard Invasive Maintenance Window on May 13, 2026 from 5:00 p.m. to 8:00 p.m. ET
CBP announces a standard invasive maintenance window for the ACE Certification environment on May 13, 2026 from 5:00 p.m. to 8:00 p.m. ET.
Harmonized System Update (HSU) 2610
CBP announced Harmonized System Update (HSU) 2610, published May 7, 2026, containing tariff and ABI records related to Section 232 USMCA-qualifying medium- and heavy-duty vehicle updates.
ACE CATAIR Entry Summary Query V26 Updated: New Liquidation Reason Code “36” Added for CAPE
CBP announces an update to the ACE CATAIR Entry Summary Query (v26) adding a new Liquidation Reason Code '36' for CAPE, to be deployed to Certification and Production environments on May 12, 2026.
Drawback Transition to the Petroleum, Natural Gas, and Minerals Center
CBP announces that effective April 22, 2026, drawback claims transmitted in ACE will be routed to the Petroleum, Natural Gas, and Minerals Center of Excellence and Expertise, with claims assigned by importer of record first character to specific regional email contacts; claims filed before that date remain with their original office.
Reminder – CSMS User Satisfaction Survey
CBP reminds trade users that the CSMS User Satisfaction Survey remains open, with the deadline extended to May 22, 2026.
Best Practices for Protecting Your Information Regarding IEEPA Refunds
CBP warns importers about scams targeting IEEPA duty refund processing through the new CAPE system and provides best practices for protecting account and personal information, including verifying official CBP email addresses and reporting suspicious activity.
ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, May 9, 2026 to 4:00 a.m. ET Sunday, May 10, 2026
CBP announces a scheduled ACE production standard invasive maintenance window from 10:00 p.m. ET on Saturday, May 9, 2026 to 4:00 a.m. ET on Sunday, May 10, 2026. During this time, ACE production system access may be affected.
GUIDANCE: Applying Section 232 Import Duties on USMCA-Qualifying Medium-and Heavy-Duty Vehicles (MHDVs)
CBP provides entry filing guidance for applying the 25% Section 232 duty exclusively to non-U.S. content on USMCA-qualifying medium- and heavy-duty vehicles approved by Commerce, including two-line reporting instructions using HTSUS 9903.74.03 and 9903.74.06.
GUIDANCE: Technical Corrections to Section 232 Duties on Imports of Aluminum, Steel, and Copper
CBP provides guidance on technical corrections to Section 232 duties on aluminum, steel, and copper under Proclamation 11021, including a new HTSUS subheading and clarification allowing certain Tata Steel UK products with Netherlands melt and pour to use the lower UK-origin steel tariff rate until January 1, 2028. These changes are retroactive to entries made on or after April 6, 2026.
ACE Certification Standard Invasive Maintenance Window on May 6, 2026 from 5:00 p.m. to 8:00 p.m. ET
CBP announces a scheduled ACE certification environment maintenance window on May 6, 2026, from 5:00 p.m. to 8:00 p.m. ET.
CBP Offers Multiple ACE Reports for Monitoring CAPE Refund Claims
CBP describes the CAPE tool in ACE for submitting and monitoring IEEPA duty refund claims, and outlines several ACE reports (ES-022, REV-603, REV-613, REV-615) available to track refund status and ACH refund processing.
Resolved - ACE Truck Manifest and References Tab applications are currently unavailable in the ACE Mod Portal.
CBP announced that the previously reported issue preventing access to the ACE Truck Manifest and References Tab applications, including ACE Reports, in the ACE Mod Portal has been resolved. Users experiencing issues are advised to clear their browser cache and try again.
REMINDER – ACE Portal Account Owners Can Reactivate Account Users
CBP reminds ACE Portal Trade Account Owners that they can self-manage and reactivate access for Proxy Trade Account Owners and Trade Account Users, and provides steps to do so.
Update to ACE CATAIR PGA Message Set is Now Available
CBP announces an update to the ACE CATAIR PGA Message Set, adding two new qualifier codes to the PG60 record and a new inspection/lab testing status code to the PG30 record.
PGA Flag Enforcement Table – Footnote Update
CBP announces an April 27, 2026 update to the PGA Flag Enforcement table that reinserts footnote #4, available in the Draft Chapters section of the CATAIR site.
Resolved - ACE Truck Manifest and References Tab applications are currently unavailable in the ACE Mod Portal.
CBP announced that the previous issue preventing access to the ACE Truck Manifest and References Tab applications in the ACE Mod Portal has been resolved, and users should clear their browser cache if issues persist.
Resolved - ACE Truck Manifest and References Tab applications are currently unavailable through the ACE Mod Portal.
CBP announced that the previously reported issue with ACE Truck Manifest and References Tab applications, including ACE Reports, in the ACE Mod Portal has been resolved. Users are advised to clear their browser cache before retrying.
Harmonized System Update (HSU) 2609
CBP announced Harmonized System Update (HSU) 2609, published April 29, 2026, containing six Harmonized Tariff Records and 19 ABI records reflecting technical corrections under Presidential Proclamation 11021.