CSMS Weekly Digest: May 16 - May 22, 2026
Here's your weekly summary of 4 CSMS messages from U.S. Customs and Border Protection.
System Update(2)
ACE CATAIR has been updated to allow unlimited record returns for Manufacturer and Foreign Exporter Details in AD/CVD Case Information Queries, removing previous record caps. Additionally, the ACE Error Dictionary has been updated with a new F865 error code flagging HTS numbers not permitted for a given importer.
ACE CATAIR AD/CVD Case Information Query Updated: Manufacturer Details and Foreign Exporter Details Can Return an Unlimited Number of Records
Please be advised that an updated version of the ACE CATAIR AD/CVD Case Information Query V11 has been posted under Draft Chapters: Future Capabilities section on CBP.gov [ https://www.cbp.gov/trade/a...
Update to ACE CATAIR Error Dictionary: F865 HTS NOT ALLOWED FOR IMPORTER
Please be advised that an updated version of the ACE CATAIR Error Dictionary V46 has been posted under Draft Chapters: Future Capabilities section on CBP.gov [ https://www.cbp.gov/trade/automated/cata...
System Maintenance(1)
ACE Certification will undergo a standard invasive maintenance window on May 20, 2026, from 5:00 to 8:00 p.m. ET — plan to avoid cert environment testing during that window.
General Notice(1)
CBP has issued an update to the Courtesy Notice schedule, so brokers should review the revised timing to ensure client notification workflows remain aligned.