CSMS # 64457308 - ACE Certification Standard Invasive Maintenance Window on Wednesday March 19, 2025 U.S. Customs and Border Protection sent this bulletin at 03/18/2025 02:47 PM EDT Cargo Systems Messaging Service CSMS # 64457308 - ACE Certification Standard Invasive Maintenance Window on Wednesday March 19, 2025 Please be advised there will be an ACE Certification Standard Invasive Maintenance Window on March 19, 2025, from 5:00 pm to 8:00 pm ET.