CSMS # 70060922 - ACE Certification Maintenance Window Set for September 30

U.S. Customs and Border Protection sent this bulletin at 09/29/2026 10:57 AM EDT

Cargo Systems Messaging Service

CSMS # 70060922 - ACE Certification Maintenance Window Set for September 30

U.S. Customs and Border Protection (CBP) will carry out an extended invasive maintenance window for the Automated Commercial Environment (ACE) Certification environment on September 30, 2026, from 5:00 p.m. to 9:00 p.m. ET.

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