CSMS # 67457638 - ACE Certification Standard Invasive Maintenance Window on January 21, 2026, from 5:00 pm to 8:00 pm ET U.S. Customs and Border Protection sent this bulletin at 01/20/2026 04:53 PM EST Cargo Systems Messaging Service CSMS # 67457638 - ACE Certification Standard Invasive Maintenance Window on January 21, 2026, from 5:00 pm to 8:00 pm ET Please be advised there will be an ACE Certification Standard Invasive Maintenance Window on January 21, 2026, from 5:00 pm to 8:00 pm ET.