ACE Certification Standard Invasive Maintenance Window on Thursday, August 23, 2023, from 5:00 p.m. to 8:00 p.m. ET

CSMS # 57421106 - ACE Certification Standard Invasive Maintenance Window on Thursday, August 23, 2023, from 5:00 p.m. to 8:00 p.m. ET U.S. Customs and Border Protection sent this bulletin at 08/22/2023 01:48 PM EDT CSMS # 57421106 - ACE Certification Standard Invasive Maintenance Window on Thursday, August 23, 2023, from 5:00 p.m. to 8:00 p.m. ET There will be an ACE certification standard invasive maintenance window on Thursday, August 23, 2023, from 5:00 p.m. to 8:00 p.m. ET.