CSMS # 64686658 - ACE Certification Standard Invasive Maintenance Window on April 9, 2025, from 5:00 pm to 8:00 pm ET U.S. Customs and Border Protection sent this bulletin at 04/08/2025 05:18 PM EDT Cargo Systems Messaging Service CSMS # 64686658 - ACE Certification Standard Invasive Maintenance Window on April 9, 2025, from 5:00 p.m. to 8:00 p.m. ET Please be advised there will be an ACE Certification Standard Invasive Maintenance Window on April 9, 2025, from 5:00 p.m. to 8:00 p.m. ET.