CSMS # 66590496 - ACE Certification Standard Invasive Maintenance Window on October 22, 2025, from 5:00 p.m. ET to 8:00 p.m. ET U.S. Customs and Border Protection sent this bulletin at 10/21/2025 03:52 PM EDT Cargo Systems Messaging Service CSMS # 66590496 - ACE Certification Standard Invasive Maintenance Window on October 22, 2025, from 5:00 p.m. ET to 8:00 p.m. ET There will be an ACE certification standard invasive maintenance window on October 22, 2025, from 5:00 p.m. to 8:00 p.m. ET.