CSMS # 66104472 - ACE Certification Standard Invasive Maintenance Window from 5:00 pm to 8:00 pm ET on September 03, 2025 U.S. Customs and Border Protection sent this bulletin at 09/02/2025 01:05 PM EDT Cargo Systems Messaging Service CSMS # 66104472 - ACE Certification Standard Invasive Maintenance Window from 5:00 pm to 8:00 pm ET on September 03, 2025 ACE Certification Standard Invasive Maintenance Window on September 03, 2025, from 5:00pm to 8:00pm ET.