CSMS Weekly Digest: May 2 - May 8, 2026
Here's your weekly summary of 8 CSMS messages from U.S. Customs and Border Protection.
Action Required(5)
This week demands attention on multiple fronts: drawback filers must prepare for the transition to the Petroleum, Natural Gas, and Minerals Center, importers of USMCA-qualifying MHDVs and aluminum, steel, and copper need to review updated Section 232 duty application guidance, and ACE will be offline for maintenance the night of May 9–10. Review IEEPA refund security best practices to protect sensitive company information.
Drawback Transition to the Petroleum, Natural Gas, and Minerals Center
On October 6, 2025, the drawback program and Drawback Specialists were consolidated under the Petroleum, Natural Gas and Minerals Center of Excellence and Expertise (PNGM Center). Effective April 22, ...
Best Practices for Protecting Your Information Regarding IEEPA Refunds
With the launch of the Consolidated Administration and Processing of Entries (CAPE), CBP expects that scammers will attempt to use social media, email, and other communication methods to secure accoun...
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
There will be 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.
Applying Section 232 Import Duties on USMCA-Qualifying Medium-and Heavy-Duty Vehicles (MHDVs)
The purpose of this message is to provide guidance on applying the 25 percent Section 232 duties imposed by Proclamation 10984 exclusively to the value of the non-U.S. content for approved imports of ...
Technical Corrections to Section 232 Duties on Imports of Aluminum, Steel, and Copper
The purpose of this message is to provide guidance regarding the technical corrections to Annex IV of Presidential Proclamation 11021, “Strengthening Actions Taken to Adjust Imports of Aluminum, Steel...
Policy Guidance(2)
CBP has issued updated instructions for applying Section 232 duties to USMCA-qualifying medium- and heavy-duty vehicles and released technical corrections affecting Section 232 duties on aluminum, steel, and copper imports — review both messages carefully to ensure correct duty calculation and classification.
Applying Section 232 Import Duties on USMCA-Qualifying Medium-and Heavy-Duty Vehicles (MHDVs)
The purpose of this message is to provide guidance on applying the 25 percent Section 232 duties imposed by Proclamation 10984 exclusively to the value of the non-U.S. content for approved imports of ...
Technical Corrections to Section 232 Duties on Imports of Aluminum, Steel, and Copper
The purpose of this message is to provide guidance regarding the technical corrections to Annex IV of Presidential Proclamation 11021, “Strengthening Actions Taken to Adjust Imports of Aluminum, Steel...
System Update(2)
Drawback claims involving petroleum, natural gas, and minerals are transitioning to a dedicated CBP center, and CBP has made ACE reports available to help filers monitor CAPE refund claim status — confirm your workflows and reporting access are aligned with these changes.
Drawback Transition to the Petroleum, Natural Gas, and Minerals Center
On October 6, 2025, the drawback program and Drawback Specialists were consolidated under the Petroleum, Natural Gas and Minerals Center of Excellence and Expertise (PNGM Center). Effective April 22, ...
CBP Offers Multiple ACE Reports for Monitoring CAPE Refund Claims
On April 20, 2026, U.S. Customs and Border Protection (CBP) released the Consolidated Administration and Processing of Entries (CAPE) tool in the Automated Commercial Environment (ACE) Portal to strea...
System Maintenance(2)
ACE Production will be unavailable from 10:00 p.m. ET Saturday, May 9 to 4:00 a.m. ET Sunday, May 10, 2026; the ACE Certification environment had a separate maintenance window on May 6 from 5:00–8:00 p.m. ET — plan filings and testing accordingly.
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
There will be 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.
ACE Certification Standard Invasive Maintenance Window on May 6, 2026 from 5:00 p.m. to 8:00 p.m. ET
There will be an ACE certification standard invasive maintenance window on May 6, 2026, from 5:00 p.m. to 8:00 p.m. ET.
General Notice(2)
CBP is asking users to complete a CSMS satisfaction survey, so take a moment to provide feedback if you haven't already. Additionally, remind your team to follow CBP's published best practices for safeguarding company and importer information when handling IEEPA refund communications.
Reminder – CSMS User Satisfaction Survey
CBP’s Office of Trade is continuing to collect responses for its CSMS User Satisfaction Survey. As a CSMS user, your response to the CSMS User Satisfaction Survey will provide CBP with useful infor...
Best Practices for Protecting Your Information Regarding IEEPA Refunds
With the launch of the Consolidated Administration and Processing of Entries (CAPE), CBP expects that scammers will attempt to use social media, email, and other communication methods to secure accoun...