CSMS # 69100446 - ACE Certification Standard Invasive Maintenance Window on July 1, 2026 from 5:00 p.m. ET to 8:00 p.m. ET U.S. Customs and Border Protection sent this bulletin at 06/30/2026 12:13 PM EDT Cargo Systems Messaging Service CSMS # 69100446 - ACE Certification Standard Invasive Maintenance Window on July 1, 2026 from 5:00 p.m. ET to 8:00 p.m. ET There will be an ACE certification standard invasive maintenance window on July 1, 2026, from 5:00 p.m. ET to 8:00 p.m. ET.